Your phone book contains 20,000 residence listings. The total number of students in a class is an example of discrete data. Both samples are biased. Notice how much larger the percentage for part-time students at Foothill College is compared to De Anza College. 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. For example, the number of desks in an office, the number of times a dice is rolled, the number of telephone calls received, etc. You should ask the doubt there and then clear it, analyze it and work on it. . Step One: Master the Foundational Knowledge. Samples that contain different individuals result in different data. Divide into groups of two, three, or four. Continuous data is the data that can be of any value. There are a number of options if you go for the statistics degree. A stated earlier, Lengths are in general, continuous variables. Biased samples that are not representative of the population give results that are inaccurate and not valid. 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). I want to study the topic of Statistics for my college-level exams? Also read: 22 Top Data Science Books Learn Data Science Like an Expert. 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. This data is so important for us that it becomes important to handle and store it properly, without any error. The data are discrete because the data can only take on specific values. The use of discrete and continuous quantitative variables would be helpful for detecting intervention effects . Press ENTER 2 more times (even the repeats). Suppose Doreen and Jung both decide to study the average amount of time students at their college sleep each night. You count discrete data. Determine the correct data type (quantitative or qualitative) for the number of cars in a parking lot. The data are continuous because feet, and 210 sq. Its really normal for you to feel anxious before your exam especially when the subject is statistics. Click to reveal Can I get some help? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. The first sample probably consists of science-oriented students. These data are used for observation like customer satisfaction, happiness, etc., but we cant do any arithmetical tasks on them. 24 people said theyd prefer more talk shows, and 176 people said theyd prefer more music. answer below. Most statisticians use various methods of random sampling in an attempt to achieve this goal. Causality: A relationship between two variables does not mean that one causes the other to occur. The numbers of hotels in cities Choose the correct answer below. Most samples are taken from large populations and the sample tends to be small in comparison to the population. 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. A. Just as there is variation in data, there is variation in samples. It is further classified as discrete data and continuous data. The data are because.continuous the data can only take on specific values C. O A. Ordinal data is qualitative data for which their values have some kind of relative position. Many other courses are available online to master your foundational knowledge which may assist you later. Answered: State whether the data discribed below | bartleby B. ), Marital status (Single, Widowed, Married), When companies ask for feedback, experience, or satisfaction on a scale of 1 to 10, Letter grades in the exam (A, B, C, D, etc. That is, once a member is picked, that member goes back into the population and thus may be chosen more than once. For the purpose of analysis, data are presented as the facts and figures collected together. Indicate whether quantitative data are continuous or discrete. Examples of discrete variables are the number of students and age. 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, you can not have a natural order for apple, orange, and banana. The station uses convenience sampling and surveys the first 200 people they meet at one of the stations music concert events. 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status page at https://status.libretexts.org, Students who intend to transfer to a 4-year educational institution. The easiest method to describe is called a simple random sample. 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. The two-digit number 14 corresponds to Macierz, 05 corresponds to Cuningham, and 04 corresponds to Cuarismo. It only contains finite values, the subdivision of which is not possible. Besides the chemistry course, some of them are also taking first-term calculus. On the other hand, if we count large quantities of any discrete entity. Opinion poll posted online at: www.youpolls.com/details.aspx?id=12328 (accessed May 1, 2013). The registrar at State University keeps records of the number of credit hours students complete each semester. Press 5:randInt( and enter 1, 60). Continuous data. A completely random method is used to select 75 students. QUESTIONState whether the data described below are discrete or continuous, and explain why. Position 1 is less than the distance from G to H in Position 2. When you analyze data, it is important to be aware of sampling errors and nonsampling errors. Therefore this is discrete data. It is a good idea to look at a variety of graphs to see which is the most helpful in displaying the data. a. You should know how to manage your time and utilize it in the best way possible. The data are discrete because the data can only take on specific values. c. The data are continuous because the data can take on any value in an interval. The exact lengths (in kilometers) of the ocean coastlines of different countries is a continuous variable because it can take on any value in an interval. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. A continuous data set because there are infinitely many possible values and those values cannot be counted. One gym has 12 machines, one gym has 15 machines, one gym has ten machines, one gym has 22 machines, and the other gym has 20 machines. For qualitative data, if the list can be sorted naturally, we further specify it as an ordinal variable. Is the study impartial? B.The data are discrete because the data can only take on specific values. B. This table displays six sets of quiz scores (each quiz counts 10 points) for an elementary statistics class. Each travels 2 miles, then changes direction and travels 1.2 miles. Data may come from a population or from a sample. Data that takes distinct values and cannot be in decimals is called discrete data. The numbers of books (three, four, two, and one) are the quantitative discrete data. The duration of movies in minutes A.The data are continuous because the data can take on any value in an interval. State whether the data described below are discrete or? The data are the weights of backpacks with books in them. Keep counting ten quiz scores and recording the quiz score until you have a sample of 12 quiz scores. Solution: - Data : The capacities of different hotels. The sample probably doesnt represent the entire fan base and is probably biased towards people who would prefer music. The weights (in tons) of the trees in a forestANSWERA.) Ans: Ducks in a pond are discrete data because the number of ducks is a finite number. Statistics and Probability questions and answers, CS 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. on any value in an interval . and the Michigan State University Institutional Animal Care and Use Committee prior to the start of data collection. b. 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. Surveys are typically done without replacement. A random number generator is used to pick two of those years. Indicate whether quantitative data are continuous or discrete. Press MATH. c. Variation is present in any set of data. Suppose ABC College has 10,000 part-time students (the population). Record these numbers. It is not possible to measure qualitative data in terms of numbers and it is subdivided into nominal and ordinal data. Thats why it is also known as Categorical Data. These kinds of data are also known as Numerical data. You sample five houses. You can go for many of the career options if you pursue stats, you can get detailed information about all of the above-mentioned choices and also many more careers on the online website of Vedantu which tells the full forms and also the detailed explanation of each one of them. Measurement of height and weight of a student, Daily temperature measurement of a place, Wind speed measured daily, etc. The exact lengths (in kilometers) of the ocean coastlines of different countries. The job of the statistician is to see through the variability and draw appropriate conclusions. The table displays Ethnicity of Students but is missing the "Other/Unknown" category. Even if Doreen and Jung used the same sampling method, in all likelihood their samples would be different. To four decimal places, these numbers are not equivalent. All you can do right now is to just take a deep breath and believe in yourself! 10. Press ENTER. State whether the data described below are discrete - Course Hero You can also visit their website. QUESTIONState whether the data described below are discrete or continuous, and explain why. The data are because.continuous the data can take on any value in an interval B. the data can only take on specific values . The data are continuous because the data can take The prison populations of different countries ha Choose the correct answer below. 13. Determine whether the given value is from a discrete or continuous data On Tax Day, House to Call for Firing Federal Workers Who Owe Back Taxes. A sample that is not representative of the population is biased. 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. Misleading use of data: improperly displayed graphs, incomplete data, or lack of context. O C. If they are not, discuss the reasons. To find the average annual income of all adults in the United States, sample U.S. congressmen. It is countable. Suppose we take two different samples. The data are continuous because the data can take on any value in an interval . If you did the experiment a third time, do you expect the results to be identical to the first or second experiment? Doreen uses systematic sampling and Jung uses cluster sampling. Collaborative Exercise 1.2. O A. The volumes left parenthesis in cubic feet right parenthesis of different rooms Choose the correct answer below. Blood type might be AB+, O-, or B+. A sample should have the same characteristics as the population it is representing. For the purpose of analysis, data are presented as the facts and figures collected together. Your answer is correct. B. It may take any numeric value, within a potential value range of finite or infinite. Systematic sampling is frequently chosen because it is a simple method. This section will describe a few of the most common methods. In the graph, the percentages add to more than 100% because students can be in more than one category. The data are discrete because the data can only take on specific values. Show how you know. Also, in both cases, not all students have a chance to be in either sample. Qualitative data tells about the perception of people. 4. The weights (in pounds) of their backpacks are 6.2, 7, 6.8, 9.1, 4.3. All members of the four departments with those numbers are the cluster sample. The Other/Unknown category is large compared to some of the other categories (Native American, 0.6%, Pacific Islander 1.0%). There are distinct or different values in discrete data. Press ENTER 15 times and record the numbers. Whenever you face any problem the best solution is consulting the concerned teacher, you should never hesitate to ask for doubts. 8. These data are represented mainly by a bar graph, number line, or frequency table. Ordinal data have natural ordering where a number is present in some kind of order by their position on the scale. The two numbers are for two of the columns. The Data and Story Library, lib.stat.cmu.edu/DASL/Datafiles/USCrime.html (accessed May 1, 2013). The data are continuous because the data can only take on specific values. The discrete data are countable and have finite values; their subdivision is not possible. However, generally, we use age as a discrete variable. For example, suppose you have to do a phone survey. answer below. It would be great if you already have a bit of knowledge about a course before opting for it. That is, a member of the population may be chosen only once. Determine whether the value is from a discrete or continuous data set Examples: crash testing cars or medical testing for rare conditions, Undue influence: collecting data or asking questions in a way that influences the response. Factors not related to the sampling process cause nonsampling errors. 5. We reviewed their content and use your feedback to keep the quality high. What type of data is this? The freshman, sophomore, junior, and senior years are numbered one, two, three, and four, respectively. Many of these students are taking first term calculus in addition to the organic chemistry class. The measure of Ris 5 greater than the measure of ZO. The data are continuous because the data can only take on specific values. This pie chart shows the students in each year, which is qualitative data. A discrete data set because there are a finite number of possible values. Data is the new oil. Today data is everywhere in every field. Which experiment had the correct results? Press ENTER. the number of classes you take per school year. This data helps market researchers understand the customers tastes and then design their ideas and strategies accordingly. B. - Example, Formula, Solved Examples, and FAQs, Line Graphs - Definition, Solved Examples and Practice Problems, Cauchys Mean Value Theorem: Introduction, History and Solved Examples. Legal. Nominal Data is used to label variables without any order or quantitative value. State whether the data described below are discrete or continuous, and explain why. Instead of that, just revise what youve already done. It is also important to know what kind of plot is suitable for which data category; it helps in data analysis and visualization. data are discrete because the data can take on any value in an Doreen's sample will be different from Jung's sample. The colors red, black, black, green, and gray are qualitative data. First, we use convenience sampling and survey ten students from a first term organic chemistry class. It is better for the person conducting the survey to select the sample respondents. The data are discrete because the data can only take on specific values. 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. Then survey every U.S. congressman in the cluster. A histogram is used to display quantitative data: the numbers of credit hours completed. Once you are clear with the basic concept, you shall be able to understand additional concepts easily. The data are continuous because the data can only take on specific values. Intraobserver repeatability for a standardized protocol to quantify Neither would be wrong, however. Solved CS State whether the data described below are - Chegg In this article, we have discussed the data types and their differences. 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. amount of money (in dollars) won playing poker, IQ scores (This may cause some discussion.). Do you think that either of these samples is representative of (or is characteristic of) the entire 10,000 part-time student population? There are no strict rules concerning which graphs to use. Those numbers picked from the first department, picked from the second department, and so on represent the members who make up the stratified sample. The data are discrete because the data can only take on specific values. You go to the supermarket and purchase three cans of soup (19 ounces) tomato bisque, 14.1 ounces lentil, and 19 ounces Italian wedding), two packages of nuts (walnuts and peanuts), four different kinds of vegetable (broccoli, cauliflower, spinach, and carrots), and two desserts (16 ounces Cherry Garcia ice cream and two pounds (32 ounces chocolate chip cookies). Continuous information is information that falls into a continuous series. 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. Researchers often prefer to use quantitative data over qualitative data because it lends itself more easily to mathematical analysis. a. Also, the sample represents only those who showed up to the event earlier than the majority. 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. Larger samples are better, if possible. A high school educational researcher interviews 50 high school female teachers and 50 high school male teachers. If you feel tired at the moment, even that too is fine. It only contains finite values, the subdivision of which is not possible. . Name data sets that are quantitative discrete, quantitative continuous, and qualitative. The ordinal data only shows the sequences and cannot use for statistical analysis. 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. To choose a simple random sample of size three from the other members of her class, Lisa could put all 31 names in a hat, shake the hat, close her eyes, and pick out three names. Show Less. The data . 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. The data are continuous because the data can only take on specific values. The data are the colors of backpacks. A study is done to determine the average tuition that San Jose State undergraduate students pay per semester. Data may be classified as qualitative, quantitative continuous, or quantitative discrete. The road from A to E and the road from C and D are perpendicular and intersect at point F. Theresa's house is at C, 500 feet from the intersection. 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. 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. Press ENTER. These types of data are sorted by category, not by number. You sample five students. Create a cluster sample by picking two of the columns. We are interested in the average amount of money a part-time student spends on books in the fall term. A. Data that can only take on certain values are discrete data. A local radio station has a fan base of 20,000 listeners. OB. These 18 quiz scores are a stratified sample. Therefore, adjustment of the differential equations system under such data . (2012), D is the discrete character data, z is a particular character mapping, and are the parameters of the hOUwie model. Sampling data should be done very carefully. 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. ), Education Level (Higher, Secondary, Primary), Total numbers of students present in a class, The total number of players who participated in a competition. Quantitative data, on the other hand, is one that contains numerical values and uses a scope. How to differentiate the obtained results as discrete and continuous data? 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. Any group of n individuals is equally likely to be chosen by any other group of n individuals if the simple random sampling technique is used. Surveys mailed to households and then returned may be very biased (they may favor a certain group). 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. O A. Three cell phone towers form APQR. Do not automatically assume that the study is good, but do not automatically assume the study is bad either. Grouped distribution of continuous data tabulation frequencies is performed against a value group. Cloudflare Ray ID: 7a2992ec2e151da5 From that number, count ten quiz scores and record that quiz score. The distance from G to H in As you become accustomed to sampling, the variability will begin to seem natural. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. It can be the version of an android phone, the height of a person, the length of an object, etc.
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