state whether the data is discrete or continuous
Position 1 is less than the distance from G to H in Position 2. The numbers of hotels in cities Choose the correct answer below. The numbers of hotels in cities Choose the correct answer below. We provide you year-long structured coaching classes for CBSE and ICSE Board & JEE and NEET entrance exam preparation at affordable tuition fees, with an exclusive session for clearing doubts, ensuring that neither you nor the topics remain unattended. state whether the data is continous or discrete The durations of These 18 quiz scores are a stratified sample. The data are the colors of backpacks. 1. The exact lengths (in kilometers) of the ocean coastlines of different countries. The durations of a chemical reaction comma repeated . The result of the rolling is a dice is 1, 2, 3, 4, 5, 6, 7, and 8. For example, the number of desks in an office, the number of times a dice is rolled, the number of telephone calls received, etc. The registrar at State University keeps records of the number of credit hours students complete each semester. The following graph is the same as the previous graph but the Other/Unknown percent (9.6%) has been included. The data are the colors of houses. It is countable. classes and taking every fifth senior citizen on the list, for a total of ten senior citizens. It is not possible to measure qualitative data in terms of numbers and it is subdivided into nominal and ordinal data. OD. A histogram is used to graphically represent continuous data. Each student is chosen using simple random sampling. data are discrete because the data can take on any value in an There are two types of data: Qualitative and Quantitative data, which are further classified into: Now business runs on data, and most companies use data for their insights to create and launch campaigns, design strategies, launch products and services or try out different things. The station wants to know if its audience would prefer more music or more talk shows. Many other courses are available online to master your foundational knowledge which may assist you later. 8. The data are continuous because the data can only take on specific values . The data are the weights of backpacks with books in them. It would be great if you already have a bit of knowledge about a course before opting for it. So is the case of statistics too. To find the average GPA of all students in a university, use all honor students at the university as the sample. the data can only take on specific values . That is, once a member is picked, that member goes back into the population and thus may be chosen more than once. The data are continuous because the data can take on any value in an interval. An administrative assistant is asked to stand in front of the library one Wednesday and to ask the first 100 undergraduate students he encounters what they paid for tuition the Fall semester. The measure of Ris 5 greater than the measure of ZO. Create a cluster sample by considering each state as a stratum (group). A type of sampling that is non-random is convenience sampling. Suppose ABC College has 10,000 part-time students (the population). Every value within a range is included in continuous data. Data may come from a population or from a sample. State whether the data described below are discrete or continuous and explain why The amounts of time that different brands' batteries last in a CD player. For this example, suppose Lisa chooses to generate random numbers from a calculator. 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The data are discrete because the data can only take on specific values. It is a good idea to look at a variety of graphs to see which is the most helpful in displaying the data. Determine whether the given value is from a discrete or continuous data set. You sample five houses. The data are continuous because the data can take on any value in an interval. answer below. It is easy in many cases, discrete data is preceded by the number of, which makes the differentiation of results easier. B. - Example, Formula, Solved Examples, and FAQs, Line Graphs - Definition, Solved Examples and Practice Problems, Cauchys Mean Value Theorem: Introduction, History and Solved Examples. For some students, it might feel difficult as it involves logical thinking and mathematics but its a great option for those who love solving and putting their minds all into logic. Statistics and Probability questions and answers, CS State whether the data described below are discrete or continuous, and explain why. Continuous data: When numerical data has . feet, and 210 sq. Solved State whether the data described below are discrete - Chegg When you analyze data, it is important to be aware of sampling errors and nonsampling errors. Then choose every fiftieth name thereafter until you have a total of 400 names (you might have to go back to the beginning of your phone list). If they are not, discuss the reasons. Opinion poll posted online at: www.youpolls.com/details.aspx?id=12328 (accessed May 1, 2013). interval. OC. A study is done to determine the average tuition that San Jose State undergraduate students pay per semester. Neither would be wrong, however. Examples are lengths, temperature, etc. For qualitative data, if the list can be sorted naturally, we further specify it as an ordinal variable. Quantitative data can be used for statistical manipulation. To find the average annual income of all adults in the United States, sample U.S. congressmen. These kinds of data can be considered in-between qualitative and quantitative data. True random sampling is done with replacement. If you did the experiment a third time, do you expect the results to be identical to the first or second experiment? Each undergraduate student in the fall semester has the same probability of being chosen at any stage of the sampling process. We all know that time is very important, it doesnt wait for anyone. Notice that the frequencies do not add up to the total number of students. Experts are tested by Chegg as specialists in their subject area. The points are associated with an unbroken line. Record the number. The examples you have seen in this book so far have been small. We may prefer not to think of 10,00,100 and 10,00,102 as crucially different values, but instead as nearby points on an approximate continuum. Surveys are typically done without replacement. State whether the data described below are discrete or continuous and explain why The amounts of time that different - Answered by a verified Tutor . If you're asked whether age is a continuous or discrete variable in an Introductory Statistics class, the correct answer is technically continuous. CS State whether the data described below are discrete or continuous, and explain why. A continuous data set because there are infinitely mamy possible values and those values cannot be counted. Work more on basics as they form the basis for many other concepts. The data are the areas of lawns in square feet. Tables are a good way of organizing and displaying data. While working on these data, it is important to know the types of data to process them and get the right results. ), Ranking of people in a competition (First, Second, Third, etc. One student has a red backpack, two students have black backpacks, one student has a green backpack, and one student has a gray backpack. answer below. The numbers of majors offered by colleges Choose the correct answer below. Solved State whether the data described below are discrete - Chegg Notice how much larger the percentage for part-time students at Foothill College is compared to De Anza College. How to Calculate the Percentage of Marks? Show Less. However, in the real world age is often treated as a discrete variable because it makes more sense when collecting data and when reporting the results of a study. It may take any numeric value, within a potential value range of finite or infinite. Work collaboratively to determine the correct data type (quantitative or qualitative). Variation is present in any set of data. Name data sets that are quantitative discrete, quantitative continuous, and qualitative. Scott Keeter et al., Gauging the Impact of Growing Nonresponse on Estimates from a National RDD Telephone Survey, Public Opinion Quarterly 70 no. The measure of ZQ is 10 less than the measure of LP. Also, in both cases, not all students have a chance to be in either sample. You can get study material, solved and unsolved questions, and also quizzes which will help you test your knowledge. Solution: - Data : The capacities of different hotels. continuous, and explain why. There are a number of options if you go for the statistics degree. Measurement of height and weight of a student, Daily temperature measurement of a place, Wind speed measured daily, etc. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. It is not possible to measure qualitative data in terms of. In a college population of 10,000 people, suppose you want to pick a sample of 1,000 randomly for a survey. A sample should have the same characteristics as the population it is representing. A high school principal polls 50 freshmen, 50 sophomores, 50 juniors, and 50 seniors regarding policy changes for after school activities. Divide into groups of two, three, or four. Factors not related to the sampling process cause nonsampling errors. These values do not have to be complete numbers, but they are values that are fixed. The first sample probably consists of science-oriented students. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Log on to our website and explore courses delivered by industry experts. O C. These types of data are sorted by category, not by number. Another example is learning how to use calculators. Answered: State whether the data described below | bartleby Continuous data are in the form of fractional numbers. The prison populations of different countries ha Choose the correct answer below. Data that can take a decimal value and can vary across a range is called . a chemical reaction comma repeated several times Choose the correct The total number of students in a class is an example of discrete data. You can email the site owner to let them know you were blocked. Again, you sample the same five students. and it is subdivided into nominal and ordinal data. A sample of 100 undergraduate San Jose State students is taken by organizing the students names by classification (freshman, sophomore, junior, or senior), and then selecting 25 students from each. There are no strict rules concerning which graphs to use. State whether the data described below are discrete - Course Hero The colors red, black, black, green, and gray are qualitative data. A stated earlier, Lengths are in general, continuous variables. Instructions: Use the Random Number Generator to pick samples. Blood type might be AB+, O-, or B+. It answers the questions like how much, how many, and how often. For example, the price of a phone, the computers ram, the height or weight of a person, etc., falls under quantitative data. b. When a car is randomly selected, it is found to have 3 wipers. Discrete vs. Continuous Data: Differences & Examples C. It is also important to know what kind of plot is suitable for which data category; it helps in data analysis and visualization. Therefore, adjustment of the differential equations system under such data . Difference Between Continuous and Discrete Data, Questions on Discrete Data Continuous Data. You sample five students. The triangles show the position of the gate in relation to its closed position. Doreen uses systematic sampling and Jung uses cluster sampling. These data take on only certain numerical values. It is classified into two broad categories: qualitative data and quantitative data. When a sampling bias happens, there can be incorrect conclusions drawn about the population that is being studied. A bar graph is appropriate to compare the relative size of the categories. The weights (in tons) of the trees in a forestANSWERA.) Larger samples are better, if possible. where n is the number of tips in the phylogeny ( ) , P is the continuous trait value of each species, and Q is the expected value of each species given the continuous trait model calculated following Equation (11) of Beaulieu et al. Press ENTER 2 more times (even the repeats). Even if Doreen and Jung used the same sampling method, in all likelihood their samples would be different. Your email address will not be published. It might sound a bit weird but do not burden yourself with new topics before the exam. the distance it is from your home to the nearest grocery store. Q: Classify the Following as Discrete and Continuous Data. Section 1-2 Practice Problems Flashcards | Quizlet . Excelling your basic knowledge about the subject promotes conceptual learning and hence, you can easily get familiar with new concepts too. Data from www.bookofodds.com/Relationsh-the-President. 13. And this is the reason why most students find it to be an interesting subject. If you count the number of phone calls you receive for each day of the week, you might get values such as zero, one, two, or three. You have to be dedicated. It is not possible to measure qualitative data in terms of numbers and it is subdivided into nominal and ordinal data. That is, a member of the population may be chosen only once. Ra For example, the number of subjects in a course, the number of families living in a block, the number of digits in a code, etc. Our choice also depends on what we are using the data for. the chance of picking the first person is 1,000 out of 10,000 (0.1000); the chance of picking a different second person for this sample is 999 out of 10,000 (0.0999); the chance of picking the same person again is 1 out of 10,000 (very low). B. The gender of a person, i.e., male, female, or others, is qualitative data. The key difference between discrete and continuous data is that discrete data contains the integer or whole number. It is further classified as discrete data and continuous data. Quantitative data can be expressed in numerical values, making it countable and including statistical data analysis. a. To four decimal places, 9/25 = 0.3600 and 9/24 = 0.3750. Samples that contain different individuals result in different data. Statistical data needs to be critically analyzed, not simply accepted. feet, 180 sq. Statistics is a quite tough subject but for those who know how to use their mind, its the best one for them as it involves more practical knowledge and conceptual learning. So, you will get the result too! State whether the data described below are discrete or continuous, and explain why. A high school counselor uses a computer to generate 50 random numbers and then picks students whose names correspond to the numbers. Step 2: Discrete and continuous data. Also read: 22 Top Data Science Books Learn Data Science Like an Expert. B. Question: State whether the data described below are discrete or continuous, and explain why. The data are continuous because the data can take on any value in an interval . The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Zanas house is at A, 500 feet from the intersection, and Tan's house is at B, 750 feet from F. Which distance is longer, the distance from Zana's house to Tan's house or the distance from Theresa's house to Is house? Get Into Data Science From Non IT Background, Data Science Solving Real Business Problems, Understanding Distributions in Statistics, Major Misconceptions About a Career in Business Analytics, Business Analytics and Business Intelligence Possible Career Paths for Analytics Professionals, Difference Between Business Intelligence and Business Analytics. Measuring angles in radians might result in such numbers as \(\frac{\pi}{6}\), \(\frac{\pi}{3}\), \(\frac{\pi}{2}\), \(\pi\), \(\frac{3\pi}{4}\), and so on. For example, if you randomly sample four departments from your college population, the four departments make up the cluster sample. Compare the fractions 9/25 and 9/24. Data that takes distinct values and cannot be in decimals is called discrete data. Researchers often prefer to use quantitative data over qualitative data because it lends itself more easily to mathematical analysis. Your phone book contains 20,000 residence listings. It is classified into two broad categories: qualitative data and quantitative data. Compared to nominal data, ordinal data have some kind of order that is not present in nominal data. 2013. A discrete variable, on the other hand, can only take on specific values. This data helps a company analyze its business, design its strategies, and help build a successful data-driven decision-making process. The areas of the lawns are 144 sq. Discrete data: When numerical data has values that are countable and specific to a particular category, it is called discrete data. You cannot expect your brain to work nicely with hundreds of thoughts, it will only create a mess. Is the study impartial? To four decimal places, these numbers are equivalent (0.0999). Press 5:randInt( and enter 1, 60). amount of money (in dollars) won playing poker, IQ scores (This may cause some discussion.). It includes only those values which are separate and can only be counted in, , which means that the data can not be split into, Continuous data is the data that can be of any value. The data are continuous because the data can only take on specific values. For example, in the case of statistics, algebra is a good option to learn before starting your statistics course. The percent columns make comparing the same categories in the colleges easier. A random number generator is used to select a student from the alphabetical listing of all undergraduate students in the Fall semester. To choose a systematic sample, randomly select a starting point and take every nth piece of data from a listing of the population. The data she collects are summarized in the pie chart Figure \(\PageIndex{1}\). Two students carry three books, one student carries four books, one student carries two books, and one student carries one book. The bar graph is used to graphically represent discrete data. If Doreen and Jung took larger samples (i.e. Most samples are taken from large populations and the sample tends to be small in comparison to the population. Just as there is variation in data, there is variation in samples. discrete because the data can only. The three cans of soup, two packages of nuts, four kinds of vegetables and two desserts are quantitative discrete data because you count them. State whether the data described below are discrete or continuous, and Can we have both discrete data and continuous data from the same experiment? If these data-driven topics got you interested in pursuing professional courses or a career in the field of Data Science. Evaluate it on its merits and the work done. The amount of money they spend on books is probably much less than the average parttime student. Discrete data is data that can only take certain values, while data that can take any value is continuous data. feet, 160 sq. State whether each situation is categorical or quantitative. Ans: Ducks in a pond are discrete data because the number of ducks is a finite number. To determine the average cost of a two-day stay in a hospital in Massachusetts, survey 100 hospitals across the state using simple random sampling. The station uses convenience sampling and surveys the first 200 people they meet at one of the stations music concert events. For example, suppose Lisa wants to form a four-person study group (herself and three other people) from her pre-calculus class, which has 31 members not including Lisa. The term discrete means distinct or separate. If you and your friends carry backpacks with books in them to school, the numbers of books in the backpacks are discrete data and the weights of the backpacks are continuous data. Besides the chemistry course, some of them are also taking first-term calculus. Be aware that many large samples are biased. When you have a numeric variable, you need to determine whether it is discrete or continuous. Each student in the following samples is asked how much tuition he or she paid for the Fall semester. The distance from G to H in The number of animals in a zoo is continuous data because the number of animals varies yearly depending on the reproduction of new animals or the arrival of new animals. The data are continuous because This table displays six sets of quiz scores (each quiz counts 10 points) for an elementary statistics class. These data can be represented on a wide variety of graphs and charts, such as bar graphs, histograms, scatter plots, boxplots, pie charts, line graphs, etc. The two-digit number 14 corresponds to Macierz, 05 corresponds to Cuningham, and 04 corresponds to Cuarismo. B. Confounding: When the effects of multiple factors on a response cannot be separated. Number of bacteria in a petri dish is 12,120. Indicate whether quantitative data are continuous or discrete. The amount a person grew (in height) in a year. Random sampling methods include simple random sampling, stratified sampling, cluster sampling, and systematic sampling. on any value in an interval . State whether the data described below are discrete or The size of a sample (often called the number of observations) is important. B. For example, the sample may not be large enough. State whether the data described below are discrete or continuous, and explain why The speeds of the different people walking in a park Choose the correct answer below. Sometimes percentages add up to be more than 100% (or less than 100%). Self-selected samples: Responses only by people who choose to respond, such as call-in surveys, are often unreliable. Work collaboratively to determine the correct data type (quantitative or qualitative). This variability in samples cannot be stressed enough. Create a stratified sample by column. The list of fruit is nominal. Press ENTER. These kinds of data are also known as Numerical data. In this situation, create a bar graph and not a pie chart. However, students shall understand that it is important for them to recognize their interests and based on that, select the best career path possible. In reality, a sample will never be exactly representative of the population so there will always be some sampling error. The use of discrete and continuous quantitative variables would be helpful for detecting intervention effects . The data are the number of machines in a gym. Dominic Lusinchi, President Landon and the 1936 Literary Digest Poll: Were Automobile and Telephone Owners to Blame? Social Science History 36, no. Working with data requires good data science skills and a deep understanding of different types of data and how to work with them. Ivy's house is at E, 750 feet from the intersection. The numbers of programs installed on various computers ANSWERA.) Students often ask if it is "good enough" to take a sample, instead of surveying the entire population. The results of convenience sampling may be very good in some cases and highly biased (favor certain outcomes) in others. Nominal and ordinal data can act as both discrete and continuous. Each method has pros and cons. For example, a computer software store conducts a marketing study by interviewing potential customers who happen to be in the store browsing through the available software. A large ship is sailing between three small islands. This category contains people who did not feel they fit into any of the ethnicity categories or declined to respond. This site is using cookies under cookie policy . Indicate whether quantitative data are continuous or discrete. Click to reveal O C. The data are continuous because the data can. You can go for a business analyst or a statistician or a financial analyst or even an economist etc. The type of data that has clear spaces between values is discrete data. A. The data are continuous because the data can only take on specific values. You count discrete data. Over time, some continuous data can change. The chart in Figure \(\PageIndex{6}\) is organized by the size of each wedge, which makes it a more visually informative graph than the unsorted, alphabetical graph in Figure \(\PageIndex{6}\). For any particular sample of 1,000, if you are sampling with replacement. LCM of 3 and 4, and How to Find Least Common Multiple, What is Simple Interest? You'll find career guides, tech tutorials and industry news to keep yourself updated with the fast-changing world of tech and business. Look at Figures \(\PageIndex{3}\) and \(\PageIndex{4}\) and determine which graph (pie or bar) you think displays the comparisons better. Grouped distribution of continuous data tabulation frequencies is performed against a value group. All data that are the result of measuring are quantitative continuous data assuming that we can measure accurately. O B. The quiz scores (20 of them) in these 2 columns are the cluster sample. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. Instead, we use a sample of the population. Your email address will not be published. The data are discrete because the data can only take on specific values. O A. Both samples are biased. B.The data are discrete because the data can only take on specific values. Complex numbers and fluctuating data values that be measured over a defined time frame are referred to as continuous data. feet. As a rule, the larger the sample, the smaller the sampling error. As a class, determine whether or not the following samples are representative.
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state whether the data is discrete or continuous