state whether the data is discrete or continuous

Statistical data about spreading of the epidemic are known in discrete periods of time, for example twenty-four hours. Statistics and Probability questions and answers, CS State whether the data described below are discrete or continuous, and explain why. But still, their samples would be, in all likelihood, different from each other. Qualitative data tells about the perception of people. Results are the outcome of our efforts and if you believe that you have put your best, then you will surely be able to score good marks. It is not possible to measure qualitative data in terms of. Create a simple random sample of 15 quiz scores. OC. It is further classified as discrete data and continuous data. You can go for a business analyst or a statistician or a financial analyst or even an economist etc. In the graph, the percentages add to more than 100% because students can be in more than one category. A stated earlier, Lengths are in general, continuous variables. Starting with that student, every 50th student is chosen until 75 students are included in the sample. You cannot expect your brain to work nicely with hundreds of thoughts, it will only create a mess. Three cell phone towers form APQR. 1.2.13 State whether the data described below are discrete or continuous and explain why.The times required by students to complete a statistics test Choose the correct answer below. The numbers of countries in the world in different years Choose the correct answer below. The data are continuous because the data can take on any value in an interval. The data are continuous because We need to evaluate the statistical studies we read about critically and analyze them before accepting the results of the studies. To find the average GPA of all students in a university, use all honor students at the university as the sample. The results of convenience sampling may be very good in some cases and highly biased (favor certain outcomes) in others. Most of these students are, more than likely, paying more than the average part-time student for their books. Data that can only take on certain values are discrete data. You have to be dedicated. If quantitative, state whether it's discrete or continuous. The data are continuous because The first sample probably consists of science-oriented students. Click to reveal . O A. 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. a. In some situations, having small samples is unavoidable and can still be used to draw conclusions. Create a systematic sample of 12 quiz scores. Press MATH. Each student is chosen using simple random sampling. A. You count discrete data. The data are continuous because the data can only take on specific values. Determine the correct data type (quantitative or qualitative) for the number of cars in a parking lot. Which pair is farther from camp? we conducted an additional simulated control chart analysis to determine whether detection of this normal . (2012), D is the discrete character data, z is a particular character mapping, and are the parameters of the hOUwie model. Quantitative data are the result of counting or measuring attributes of a population. Compare the fractions 999/10,000 and 999/9,999. All data that are the result of measuring are quantitative continuous data assuming that we can measure accurately. Procrastination isnt even the last option if you are preparing for a statistics exam. Nominal Data is used to label variables without any order or quantitative value. Work more on basics as they form the basis for many other concepts. In other words, each sample of the same size has an equal chance of being selected. There are many different potential problems that can affect the reliability of a sample. Look at Figures \(\PageIndex{3}\) and \(\PageIndex{4}\) and determine which graph (pie or bar) you think displays the comparisons better. Surveys mailed to households and then returned may be very biased (they may favor a certain group). O C. A random number generator is used to select a student from the alphabetical listing of all undergraduate students in the Fall semester. When a sampling bias happens, there can be incorrect conclusions drawn about the population that is being studied. You should know how to manage your time and utilize it in the best way possible. Finite values have discrete data. Doreen's sample will be different from Jung's sample. . 2003-2023 Chegg Inc. All rights reserved. Record these numbers. OB. Show Less. Your email address will not be published. That is, a member of the population may be chosen only once. Quantitative data can be used for statistical manipulation. If you feel like your doubt is stupid and you skip it rather than ask it, it is not the correct approach. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Dominic Lusinchi, President Landon and the 1936 Literary Digest Poll: Were Automobile and Telephone Owners to Blame? Social Science History 36, no. But graphs can be even more helpful in understanding the data. Tips and Tricks to study Discrete and Continuous 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. O C. The data are continuous because the data can take on any value in an interval. These data take on only certain numerical values. The number of classes a student missed. This table displays six sets of quiz scores (each quiz counts 10 points) for an elementary statistics class. Your email address will not be published. Both samples are biased. State whether the data described below are discrete or continuous, and explain why. The amount of money they spend on books is probably much less than the average parttime student. To choose a cluster sample, divide the population into clusters (groups) and then randomly select some of the clusters. The color of hair can be considered nominal data, as one color cant be compared with another color. A defective counting device can cause a nonsampling error. Indicate whether quantitative data are continuous or discrete. on any value in an interval . state whether the data is continous or discrete The durations of a chemical reaction comma repeated several times Choose the correct answer below. It is easy in many cases, discrete data is preceded by the number of, which makes the differentiation of results easier. The data are continuous because the data can only take on specific values . Biased samples that are not representative of the population give results that are inaccurate and not valid. A large ship is sailing between three small islands. The discrete data contain the values that fall under integers or whole numbers. The duration of movies in minutes A.The data are continuous because the data can take on any value in an interval. The numbers of hotels in cities Choose the correct answer below. Age is discrete data because we could be infinitely precise and use an infinite number of decimal places, rendering age continuous as a result. c. For example, in the case of statistics, algebra is a good option to learn before starting your statistics course. Those 100 students are the sample. 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. These data are used for observation like customer satisfaction, happiness, etc., but we cant do any arithmetical tasks on them. 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 the number of machines in a gym. The graph in Figure \(\PageIndex{5}\) is a Pareto chart. The measure of ZQ is 10 less than the measure of LP. The data are discrete because the data can only take on specific values. It is from a continuousdata set because 218+ Consultants 4.7 Satisfaction rate Evaluate it on its merits and the work done. The data . a. Amount of money, pulse rate, weight, number of people living in your town, and number of students who take statistics are examples of quantitative data. Data is classified into 4 types. We might make different choices of what we think is the best graph depending on the data and the context. The weights (in tons) of the trees in a forestANSWERA.) Legal. Experts are tested by Chegg as specialists in their subject area. OD. . 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). The colors of the houses are white, yellow, white, red, and white. In statistics, a sampling bias is created when a sample is collected from a population and some members of the population are not as likely to be chosen as others (remember, each member of the population should have an equally likely chance of being chosen). Over time, some continuous data can change. Collecting data carelessly can have devastating results. Surveys are typically done without replacement. This data is so important for us that it becomes important to handle and store it properly, without any error. Other well-known random sampling methods are the stratified sample, the cluster sample, and the systematic sample. The data are continuous because the data can take on any value in an interval . In this article, we have discussed the data types and their differences. Non-response or refusal of subject to participate: The collected responses may no longer be representative of the population. 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? Press ENTER two more times for the other 2 random numbers. You will learn why when you study confidence intervals. The first It is better for the person conducting the survey to select the sample respondents. Data that can take a decimal value and can vary across a range is called . Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. The data are discrete because the data can take on any value in an interval. The sample probably consists more of people who prefer music because it is a concert event. Problems with samples: A sample must be representative of the population. Statistics involves organizing, analyzing, interpreting, and representing data. The data she collects are summarized in the pie chart Figure \(\PageIndex{1}\). pair starts due east and then turns 50 toward north. Note: randInt(0, 30, 3) will generate 3 random numbers. In today's changing times, pursuing a career in this subject is known to provide some of the most sought professional options. Besides simple random sampling, there are other forms of sampling that involve a chance process for getting the sample. It is a good idea to look at a variety of graphs to see which is the most helpful in displaying the data. Create a stratified sample by column. Therefore this is discrete data. Suppose Doreen and Jung both decide to study the average amount of time students at their college sleep each night. feet. Two students carry three books, one student carries four books, one student carries two books, and one student carries one book. 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. The use of discrete and continuous quantitative variables would be helpful for detecting intervention effects . Determine the type of sampling used (simple random, stratified, systematic, cluster, or convenience). Think about what contributes to making Doreens and Jungs samples different. Difference Between Continuous and Discrete Data, Questions on Discrete Data Continuous Data. Arrow over to PRB. This site is using cookies under cookie policy . State whether the data described below are discrete or continuous and explain why The amounts of time that different - Answered by a verified Tutor . Two graphs that are used to display qualitative data are pie charts and bar graphs. A completely random method is used to select 75 students. Because students can complete only a whole number of hours (no fractions of hours allowed), this data is quantitative discrete. answer below. Different types of data are used in research, analysis, statistical analysis, data visualization, and data science. A. If all the money in the 555, find the number of 10 coins in it 12. 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. The data are continuous because the data can take on any value in an interval. Also, in both cases, not all students have a chance to be in either sample. Discrete Data Examples: The number of students in a class, the number of chocolates in a bag, the number of strings on the guitar, the number of fishes in the aquarium, etc. You can also visit their website. discrete because the data can only. They both did. interval. C. The data are B. All students in those two years are in the sample. Can I get some help? A.The data are continuous because the data can only take on the data can only take on specificvalues. Making a schedule/timetable or studying together with your peers may help you in focusing and keep you active. Compared to nominal data, ordinal data have some kind of order that is not present in nominal data. 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. Since this is the case, sampling without replacement is approximately the same as sampling with replacement because the chance of picking the same individual more than once with replacement is very low. Discrete data is data that can only take certain values, while data that can take any value is continuous data. State whether the data described below are discrete or continuous, and explain why. On Tax Day, House to Call for Firing Federal Workers Who Owe Back Taxes. These values do not have to be complete numbers, but they are values that are fixed. Gathering information about an entire population often costs too much or is virtually impossible. on any value in an interval . It is classified into two broad categories: qualitative data and quantitative data. Types of soups, nuts, vegetables and desserts are qualitative data because they are categorical. The data are discrete because the data can only take on specific values. This section will describe a few of the most common methods. Continuous data. O A. 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. What are the career options in the field of Statistics? State whether the data described below are discrete or continuous, and explain why. According to a report, today, at least 2.5 quintillion bytes of data are produced per day. While working on these data, it is important to know the types of data to process them and get the right results. In this situation, create a bar graph and not a pie chart. Grouped distribution of continuous data tabulation frequencies is performed against a value group. All data that are the result of counting are called quantitative discrete data. State whether the data described below are discrete or? Do not automatically assume that the study is good, but do not automatically assume the study is bad either. Nominal and ordinal data can act as both discrete and continuous. Explain your reasoning. The Data and Story Library, lib.stat.cmu.edu/DASL/Datafiles/USCrime.html (accessed May 1, 2013). However, if two or more of you are taking the same data and get very different results, it is time for you and the others to reevaluate your data-taking methods and your accuracy. The following pie charts have the Other/Unknown category included (since the percentages must add to 100%). Show how you know. Read the study carefully to evaluate the work. Most data can be put into the following categories: Qualitative data are the result of categorizing or describing attributes of a population. 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. To four decimal places, these numbers are equivalent (0.0999). Sample size issues: Samples that are too small may be unreliable. Press 5:randInt( and enter 1, 60). the number of classes you take per school year. As a rule, the larger the sample, the smaller the sampling error. b. The numbers generated are as follows: 0.94360; 0.99832; 0.14669; 0.51470; 0.40581; 0.73381; 0.04399. O A. PGP in Data Science and Business Analytics, PGP in Data Science and Engineering (Data Science Specialization), M.Tech in Data Science and Machine Learning, PGP Artificial Intelligence for leaders, PGP in Artificial Intelligence and Machine Learning, MIT- Data Science and Machine Learning Program, Master of Business Administration- Shiva Nadar University, Executive Master of Business Administration PES University, Advanced Certification in Cloud Computing, Advanced Certificate Program in Full Stack Software Development, PGP in in Software Engineering for Data Science, Advanced Certification in Software Engineering, PG Diploma in Artificial Intelligence IIIT-Delhi, PGP in Software Development and Engineering, PGP in in Product Management and Analytics, NUS Business School : Digital Transformation, Design Thinking : From Insights to Viability, Master of Business Administration Degree Program, 4 Types Of Data Nominal, Ordinal, Discrete and Continuous. The type of data that has clear spaces between values is discrete data. 134.209.154.177 Small letters like \(x\) or \(y\) generally are used to represent data values. Often, people with strong positive or negative opinions may answer surveys, which can affect the results. 3. A type of sampling that is non-random is convenience sampling.

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