state whether the data is discrete or continuous
The second pair starts due west and then turns 40 toward south. We are interested in the average amount of money a part-time student spends on books in the fall term. Learn data analytics or software development & get guaranteed* placement opportunities. The volumes left parenthesis in cubic feet right parenthesis of different rooms Choose the correct answer below. Many other courses are available online to master your foundational knowledge which may assist you later. Whether you are a data scientist, marketer, businessman, data analyst, researcher, or you are in any other profession, you need to play or experiment with raw or structured data. 10. B. Also, in both cases, not all students have a chance to be in either sample. Vedantu LIVE Online Master Classes is an incredibly personalized tutoring platform for you, while you are staying at your home. 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? Convenience sampling involves using results that are readily available. Manufacturers regularly run tests to determine if the amount of beverage in a 16-ounce can falls within the desired range. A random number generator is used to select a student from the alphabetical listing of all undergraduate students in the Fall semester. The data she collects are summarized in the pie chart Figure \(\PageIndex{1}\). All the members from these clusters are in the cluster sample. However the third random number, 0.14669, contains 14 (the fourth random number also contains 14), the fifth random number contains 05, and the seventh random number contains 04. Qualitative or Categorical Data is data that cant be measured or counted in the form of numbers. However for practical reasons, in most populations, simple random sampling is done without replacement. LBCC Distance Learning (DL) program data in 2010-2011. lastbaldeagle. ), Ranking of people in a competition (First, Second, Third, etc. The land areas of different countries Choose the correct answer below. Continuous data is the data that can be of any value. Can I get some help? a. It is not possible to measure qualitative data in terms of numbers and it is subdivided into nominal and ordinal data. O A. Data that can only take on certain values are discrete data. Ans: Ducks in a pond are discrete data because the number of ducks is a finite number. There are many different potential problems that can affect the reliability of a sample. A type of sampling that is non-random is convenience sampling. A pollster interviews all human resource personnel in five different high tech companies. Over time, some continuous data can change. This is important to know when we think about what the data are telling us. To determine the proportion of people taking public transportation to work, survey 20 people in New York City. Quick Check Introduction to Data Science. The data are continuous because the data can take 13. The data are discrete because the data can only take on specific values. However, students shall understand that it is important for them to recognize their interests and based on that, select the best career path possible. Items a, e, f, k, and l are quantitative discrete; items d, j, and n are quantitative continuous; items b, c, g, h, i, and m are qualitative. D. The The examples you have seen in this book so far have been small. You may wrap around (go back to the beginning). In some situations, having small samples is unavoidable and can still be used to draw conclusions. Which pair is farther from camp? Data is classified into 4 types. Biased samples that are not representative of the population give results that are inaccurate and not valid. Record the number. A study is done to determine the average tuition that San Jose State undergraduate students pay per semester. Suppose Doreen and Jung both decide to study the average amount of time students at their college sleep each night. Again, you sample the same five students. Solution: - Data : The capacities of different hotels. Data that can only take on certain values are discrete data. 5. Instructions: Use the Random Number Generator to pick samples. You can get study material, solved and unsolved questions, and also quizzes which will help you test your knowledge. You sample five gyms. State whether the data described below are discrete or continuous, and explain why. Random sampling methods include simple random sampling, stratified sampling, cluster sampling, and systematic sampling. Try this experiment twice. The data are continuous because The size of a sample (often called the number of observations) is important. Record the three quiz scores in column one that correspond to these three numbers. Just as there is variation in data, there is variation in samples. The points are associated with an unbroken line. Ordinal data have natural ordering where a number is present in some kind of order by their position on the scale. The numbers of programs installed on various computers ANSWERA.) The numbers of hotels in cities Choose the correct answer below. State whether the data described below are discrete or continuous and explain why The amounts of time that different - Answered by a verified Tutor . . Work collaboratively to determine the correct data type (quantitative or qualitative). You'll find career guides, tech tutorials and industry news to keep yourself updated with the fast-changing world of tech and business. Most samples are taken from large populations and the sample tends to be small in comparison to the population. To choose a simple random sample from each department, number each member of the first department, number each member of the second department, and do the same for the remaining departments. Be aware that as you take data, your data may vary somewhat from the data someone else is taking for the same purpose. It is further classified as discrete data and continuous data. The data are the colors of backpacks. Difference Between Continuous and Discrete Data, Questions on Discrete Data Continuous Data. A histogram is used to display quantitative data: the numbers of credit hours completed. Qualitative data tells about the perception of people. Lisa reads two-digit groups until she has chosen three class members (that is, she reads 0.94360 as the groups 94, 43, 36, 60). Most of these students are, more than likely, paying more than the average part-time student for their books. 3. The data are discrete because the data can only take on specific values. Misleading use of data: improperly displayed graphs, incomplete data, or lack of context. 2013 - 2023 Great Lakes E-Learning Services Pvt. We choose ten different part-time students from the disciplines of chemistry, math, English, psychology, sociology, history, nursing, physical education, art, and early childhood development. 4. Roll one fair die (six-sided) 20 times. Compared to nominal data, ordinal data have some kind of order that is not present in nominal data. If you feel like your doubt is stupid and you skip it rather than ask it, it is not the correct approach. pair starts due east and then turns 50 toward north. Ungrouped frequency distribution of discrete data is performed against a single value. The colors of the houses are white, yellow, white, red, and white. For any particular sample of 1,000, if you are sampling with replacement. A soccer coach selects six players from a group of boys aged eight to ten, seven players from a group of boys aged 11 to 12, and three players from a group of boys aged 13 to 14 to form a recreational soccer team. Ivy's house is at E, 750 feet from the intersection. A large ship is sailing between three small islands. A completely random method is used to select 75 students. The number of classes a student missed. A student interviews classmates in his algebra class to determine how many pairs of jeans a student owns, on the average. The continuous data can be broken down into. 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. Notice that backpacks carrying three books can have different weights. A continuous data set because there are infinitely mamy possible values and those values cannot be counted. 2003-2023 Chegg Inc. All rights reserved. But still, their samples would be, in all likelihood, different from each other. In the graph, the percentages add to more than 100% because students can be in more than one category. Your answer is correct. If we were to examine two samples representing the same population, even if we used random sampling methods for the samples, they would not be exactly the same. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Therefore this is discrete data. Age is discrete data because we could be infinitely precise and use an infinite number of decimal places, rendering age continuous as a result. the chance of picking the first person for any particular sample is 1000 out of 10,000 (0.1000); the chance of picking a different second person is 999 out of 9,999 (0.0999); you do not replace the first person before picking the next person. Question: State whether the data described below are discrete or continuous, and explain why. The data are continuous because the data can only take on specific values. Gathering information about an entire population often costs too much or is virtually impossible. For example, it does not make sense to find an average hair color or blood type. feet, and 210 sq. continuous, and explain why. Statistical data needs to be critically analyzed, not simply accepted. Press ENTER and record that number. Quantitative data may be either discrete or continuous. Also read: 22 Top Data Science Books Learn Data Science Like an Expert. b. On Tax Day, House to Call for Firing Federal Workers Who Owe Back Taxes. The data are discrete because the data can only take on specific values. So, you will get the result too! Therefore, adjustment of the differential equations system under such data . You should know how to manage your time and utilize it in the best way possible. 1. Divide into groups of two, three, or four. Two graphs that are used to display qualitative data are pie charts and bar graphs. O C. The data are continuous because the data can take on any value in an interval. However, generally, we use age as a discrete, NCERT Solutions for Class 12 Business Studies, NCERT Solutions for Class 11 Business Studies, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 9 Social Science, NCERT Solutions for Class 8 Social Science, CBSE Previous Year Question Papers Class 12, CBSE Previous Year Question Papers Class 10. On the other hand, if we count large quantities of any discrete entity. A. Then survey every U.S. congressman in the cluster. Qualitative data are generally described by words or letters. O A. There are no strict rules concerning which graphs to use. This table displays six sets of quiz scores (each quiz counts 10 points) for an elementary statistics class. The data are continuous because the data can only take on specific values. State whether the data described below are discrete or continuous, and explain why. The data are discrete because the data can take on any value in an interval. All members of the four departments with those numbers are the cluster sample. The station uses convenience sampling and surveys the first 200 people they meet at one of the stations music concert events. Data may come from a population or from a sample. Measurement of height and weight of a student, Daily temperature measurement of a place, Wind speed measured daily, etc. Q: State whether the data below are discrete or continuous, explain why. A stated earlier, Lengths are in general, continuous variables. Surely, you can get all the study material on Vedantu mobile app- learn live online. Collaborative Exercise 1.2. A defective counting device can cause a nonsampling error. feet, 180 sq. The areas of the lawns are 144 sq. The data are discrete because the data can only take on specific . ), Education Level (Higher, Secondary, Primary), Total numbers of students present in a class, The total number of players who participated in a competition. It is a good idea to look at a variety of graphs to see which is the most helpful in displaying the data. The continuous variable can take any value within a range. feet. To four decimal places, 9/25 = 0.3600 and 9/24 = 0.3750. categorical, quantitative discrete or quantitative continuous. In polling, samples that are from 1,200 to 1,500 observations are considered large enough and good enough if the survey is random and is well done. Three cell phone towers form APQR. 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. Discrete is data that can take only certain values. According to a report, today, at least2.5 quintillion bytes of data are produced per day. classes and taking every fifth senior citizen on the list, for a total of ten senior citizens. QUESTIONState whether the data described below are discrete or continuous, and explain why. Indicate whether quantitative data are continuous or discrete. For instance, hair color might be black, dark brown, light brown, blonde, gray, or red. A. In other words, each sample of the same size has an equal chance of being selected. This variability in samples cannot be stressed enough. To four decimal places, these numbers are equivalent (0.0999). The percent columns make comparing the same categories in the colleges easier. Sample size issues: Samples that are too small may be unreliable. Measurements of the amount of beverage in a 16-ounce can may vary because different people make the measurements or because the exact amount, 16 ounces of liquid, was not put into the cans. A. In reality, a sample will never be exactly representative of the population so there will always be some sampling error. c. The data are continuous because the data can take on any value in an interval. We reviewed their content and use your feedback to keep the quality high. Press 5:randInt( and enter 1, 60). 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.
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