state whether the data is discrete or continuous

For example, you could stratify (group) your college population by department and then choose a proportionate simple random sample from each stratum (each department) to get a stratified random sample. Researchers often prefer to use quantitative data over qualitative data because it lends itself more easily to mathematical analysis. What type of data is this? Quantitative data, on the other hand, is one that contains numerical values and uses a scope. O A. A random number generator is used to pick two of those years. 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. They spend: $50; $40; $36; $15; $50; $100; $40; $53; $22; $22. There are a number of options if you go for the statistics degree. Each method has pros and cons. These kinds of data are also known as Numerical data. The data . O A. The number of books in a rack is a finite countable number. B. The continuous data can be broken down into fractions and decimals, i.e. 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. What type of data does this graph show? The first sample probably consists of science-oriented students. For example, it does not make sense to find an average hair color or blood type. b. Quantitative data are the result of counting or measuring attributes of a population. Determine whether the given value is from a discrete or continuous data A variable is said to be continuous if it can take on any value in an interval. Divide 84 a money box contains 1 coins, 2 coins, 5 coins and 10 coins 10 coins is four times the number of 1 coins. Work more on basics as they form the basis for many other concepts. Have some sleep, its important. D. The 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). To four decimal places, 9/25 = 0.3600 and 9/24 = 0.3750. 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. State whether the data described below are discrete or All data that are the result of measuring are quantitative continuous data assuming that we can measure accurately. Intraobserver repeatability for a standardized protocol to quantify Question: State whether the data described below are discrete or continuous, and explain why. These data cant be broken into decimal or fraction values. and it is subdivided into nominal and ordinal data. A study is done to determine the average tuition that San Jose State undergraduate students pay per semester. the data can only take on specific values . Sleep deprivation is of no use, instead, you should take a nap to relax the nerves of your brain in order to learn and study later. As a rule, the larger the sample, the smaller the sampling error. Solved state whether the data is continous or discrete The | Chegg.com - Example, Formula, Solved Examples, and FAQs, Line Graphs - Definition, Solved Examples and Practice Problems, Cauchys Mean Value Theorem: Introduction, History and Solved Examples. 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. Record these numbers. The volume of cola in a can is 11.8 oz. The class boundaries are 10 to less than 13, 13 to less than 16, 16 to less than 19, 19 to less than 22, and 22 to less than 25. Record the number. Working on data is crucial because we need to figure out what kind of data it is and how to use it to get valuable output out of it. There are several different methods of random sampling. It is better for the person conducting the survey to select the sample respondents. 5. 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. According to a report, today, at least2.5 quintillion bytes of data are produced per day. The ordinal data only shows the sequences and cannot use for statistical analysis. Indicate whether quantitative data are continuous or discrete. 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. A. Qualitative data tells about the perception of people. the distance it is from your home to the nearest grocery store. The data are the colors of backpacks. You should ask the doubt there and then clear it, analyze it and work on it. Manufacturers regularly run tests to determine if the amount of beverage in a 16-ounce can falls within the desired range. Data may be classified as qualitative, quantitative continuous, or quantitative discrete. To do so, the ship must sail between two pairs of islands, avoiding sailing between a third p . QUESTIONState whether the data described below are discrete or continuous, and explain why. The size of a sample (often called the number of observations) is important. The data are because.continuous the data can only take on specific values C. The data are discrete because the data can only take on specific values. Determine whether the data are from discrete data or continuous data set. 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). 26. Number of bacteria in a petri dish is 12,120. The tables display counts (frequencies) and percentages or proportions (relative frequencies). In some situations, having small samples is unavoidable and can still be used to draw conclusions. A random number generator is used to select a student from the alphabetical listing of all undergraduate students in the Fall semester. . Small letters like \(x\) or \(y\) generally are used to represent data values. The weights (in pounds) of their backpacks are 6.2, 7, 6.8, 9.1, 4.3. For these samples, each member of the population did not have an equally likely chance of being chosen. Each random number may only contribute one class member. 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. The gender of a person, i.e., male, female, or others, is qualitative data. Your instructor will give each group one six-sided die. The data are because.continuous the data can take on any value in an interval B. Convenience sampling is a nonrandom method of choosing a sample that often produces biased data. The exact lengths (in kilometers) of the ocean coastlines of different countries. For the purpose of analysis, data are presented as the facts and figures collected together. Doreen and Jung each take samples of 500 students. Experts are tested by Chegg as specialists in their subject area. Name data sets that are quantitative discrete, quantitative continuous, and qualitative. It is further classified as discrete data and continuous data. 1: 23-54 (2012), ssh.dukejournals.org/content/36/1/23.abstract (accessed May 1, 2013). This section will describe a few of the most common methods. The percent columns make comparing the same categories in the colleges easier. State whether the data described below are discrete or - JustAnswer The data are continuous because Many other courses are available online to master your foundational knowledge which may assist you later. The numbers of majors offered by colleges Choose the correct answer below. B. Rational Numbers Between Two Rational Numbers, XXXVII Roman Numeral - Conversion, Rules, Uses, and FAQs, Find Best Teacher for Online Tuition on Vedantu. Show Less. Click to reveal Misleading use of data: improperly displayed graphs, incomplete data, or lack of context. To find the average GPA of all students in a university, use all honor students at the university as the sample. Examples are lengths, temperature, etc. It is also important to know what kind of plot is suitable for which data category; it helps in data analysis and visualization. The sample probably consists more of people who prefer music because it is a concert event. Variation is present in any set of data. ), 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. Excelling your basic knowledge about the subject promotes conceptual learning and hence, you can easily get familiar with new concepts too. Is the study impartial? The total number of students in a class is an example of discrete data. The prison populations of different countries ha Choose the correct answer below. 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 \(\PageIndex{6}\). The data are continuous because the data can only take on specific values . The bar graph is used to graphically represent discrete data. The other examples of qualitative data are : Difference between Nominal and Ordinal Data, Difference between Discrete and Continuous Data, 22 Top Data Science Books Learn Data Science Like an Expert, PGP In Data Science and Business Analytics, PGP In Artificial Intelligence And Machine Learning, Nominal data cant be quantified, neither they have any intrinsic ordering, Ordinal data gives some kind of sequential order by their position on the scale, Nominal data is qualitative data or categorical data, Ordinal data is said to be in-between qualitative data and quantitative data, They dont provide any quantitative value, neither can we perform any arithmetical operation, They provide sequence and can assign numbers to ordinal data but cannot perform the arithmetical operation, Nominal data cannot be used to compare with one another, Ordinal data can help to compare one item with another by ranking or ordering, Discrete data are countable and finite; they are whole numbers or integers, Continuous data are measurable; they are in the form of fractions or decimal, Discrete data are represented mainly by bar graphs, Continuous data are represented in the form of a histogram, The values cannot be divided into subdivisions into smaller pieces, The values can be divided into subdivisions into smaller pieces, Discrete data have spaces between the values, Continuous data are in the form of a continuous sequence, Opinion on something (agree, disagree, or neutral), Colour of hair (Blonde, red, Brown, Black, etc. State whether the data described below are discrete or continuous, and explain why. data are discrete because the data can take on any value in an 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. Starting with that student, every 50th student is chosen until 75 students are included in the sample. For column 1, Press 5:randInt( and enter 1,10). Examples of discrete variables are the number of students and age. a. stratified; b. cluster; c. stratified; d. systematic; e. simple random; f.convenience. It only contains finite values, the subdivision of which is not possible. The time(in minutes) it takes The time(in minutes) it takes A: It is given that the time (in minutes) it takes different students to drive to school from home. All the members from these clusters are in the cluster sample. The measure of ZQ is 10 less than the measure of LP. Hair color, blood type, ethnic group, the car a person drives, and the street a person lives on are examples of qualitative data. The colors red, black, black, green, and gray are qualitative data. Use the column numbers: one through six. These data dont have any meaningful order; their values are distributed into distinct categories. Work collaboratively to determine the correct data type (quantitative or qualitative). Still, continuous data stores the fractional numbers to record different types of data such as temperature, height, width, time, speed, etc. Working with data requires good data science skills and a deep understanding of different types of data and how to work with them. Be aware that many large samples are biased. To find the average annual income of all adults in the United States, sample U.S. congressmen. Otherwise, the variable is nominal. It can be the version of an android phone, the height of a person, the length of an object, etc. Also, the sample represents only those who showed up to the event earlier than the majority. The amount of money they spend on books is as follows: $128; $87; $173; $116; $130; $204; $147; $189; $93; $153. Determine the type of sampling used (simple random, stratified, systematic, cluster, or convenience). This website is using a security service to protect itself from online attacks. The numbers generated are as follows: 0.94360; 0.99832; 0.14669; 0.51470; 0.40581; 0.73381; 0.04399. The numbers of books (three, four, two, and one) are the quantitative discrete data. LCM of 3 and 4, and How to Find Least Common Multiple, What is Simple Interest? Quantitative data may be either discrete or continuous. 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. All students in those two years are in the sample. Three cell phone towers form APQR. The freshman, sophomore, junior, and senior years are numbered one, two, three, and four, respectively. Legal. As you become accustomed to sampling, the variability will begin to seem natural. 2311Review - Math 2311 Test 1 Review Know all definitions! State 1. pair starts due east and then turns 50 toward north. 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. Discrete is data that can take only certain values. Continuous data represents information that can be divided into smaller levels. State whether the data described below are discrete or continuous, and explain why. The action you just performed triggered the security solution. For qualitative data, if the list can be sorted naturally, we further specify it as an ordinal variable. For example, 16-ounce cans of beverage may contain more or less than 16 ounces of liquid. A. b. Press ENTER two more times for the other 2 random numbers. Samples of only a few hundred observations, or even smaller, are sufficient for many purposes. In this situation, create a bar graph and not a pie chart. O A. Dominic Lusinchi, President Landon and the 1936 Literary Digest Poll: Were Automobile and Telephone Owners to Blame? Social Science History 36, no. Two graphs that are used to display qualitative data are pie charts and bar graphs. These data are represented mainly by a bar graph, number line, or frequency table. 1. Record the number of ones, twos, threes, fours, fives, and sixes you get in the following table (frequency is the number of times a particular face of the die occurs): Did the two experiments have the same results? One student has a red backpack, two students have black backpacks, one student has a green backpack, and one student has a gray backpack. 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. What can you conclude about the angles opposite these sides? Systematic sampling is frequently chosen because it is a simple method. Types of soups, nuts, vegetables and desserts are qualitative data because they are categorical. Create a cluster sample by considering each state as a stratum (group). Instead, we use a sample of the population. Statistical data needs to be critically analyzed, not simply accepted. Books for these classes tend to be expensive. Can we have both discrete data and continuous data from the same experiment? 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. This page titled 1.2: Variables and Types of Data is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by OpenStax via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request. Besides the chemistry course, some of them are also taking first-term calculus. b. Nominal Data is used to label variables without any order or quantitative value. The term discrete means distinct or separate. Nominal data.Ordinal data.Discrete data.Continuous data. Instructions: Use the Random Number Generator to pick samples. Each student in the following samples is asked how much tuition he or she paid for the Fall semester. 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. The triangles show the position of the gate in relation to its closed position. When you have a numeric variable, you need to determine whether it is discrete or continuous. C. The data are The sample probably doesnt represent the entire fan base and is probably biased towards people who would prefer music. The data are continuous because the data can only take on specific values. This category contains people who did not feel they fit into any of the ethnicity categories or declined to respond. The data are the areas of lawns in square feet. A large ship is sailing between three small islands. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. For example, the number of desks in an office, the number of times a dice is rolled, the number of telephone calls received, etc. 2003-2023 Chegg Inc. All rights reserved. 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. You may wrap around (go back to the beginning). A student interviews classmates in his algebra class to determine how many pairs of jeans a student owns, on the average. Suppose we take two different samples. 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. C. You should know how to manage your time and utilize it in the best way possible. O A. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Problems with samples: A sample must be representative of the population. a. B. Solved CS State whether the data described below are - Chegg The data are discrete because the data can only take on specific values. Solution: - Data : The capacities of different hotels. Doreen's sample will be different from Jung's sample. Question: CS State whether the data described below are discrete or continuous, and explain why. The data he collects are summarized in the histogram. 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. 8. It was mentioned previously that two or more samples from the same population, taken randomly, and having close to the same characteristics of the population will likely be different from each other. 2013 - 2023 Great Lakes E-Learning Services Pvt. It is understandable that it must be making you feel nervous right now but your emotions are valid! Be aware that as you take data, your data may vary somewhat from the data someone else is taking for the same purpose. The data are continuous because the data can take on any value in an interval. Quantitative data, on the other hand, is one that contains numerical values and uses a scope. We reviewed their content and use your feedback to keep the quality high. When you analyze data, it is important to be aware of sampling errors and nonsampling errors. In one study, eight 16 ounce cans were measured and produced the following amount (in ounces) of beverage: 15.8; 16.1; 15.2; 14.8; 15.8; 15.9; 16.0; 15.5. These data take on only certain numerical values. A stated earlier, Lengths are in general, continuous variables. The duration of movies in minutes A.The data are continuous because the data can take on any value in an interval. A type of sampling that is non-random is convenience sampling. according to measurement accuracy, it can be significantly subdivided into smaller sections. Samples that contain different individuals result in different data. A pollster interviews all human resource personnel in five different high tech companies. Gathering information about an entire population often costs too much or is virtually impossible. The land areas of different countries Choose the correct answer below. Most statisticians use various methods of random sampling in an attempt to achieve this goal. The data are continuous because the data can take But still, their samples would be, in all likelihood, different from each other. It is not possible to measure qualitative data in terms of numbers and it is subdivided into nominal and ordinal data. feet, 190 sq. Vedantu LIVE Online Master Classes is an incredibly personalized tutoring platform for you, while you are staying at your home. If you feel tired at the moment, even that too is fine. CS State whether the data described below are discrete or continuous, and explain why. Our choice also depends on what we are using the data for. 5 (2006). according to measurement accuracy, it can be significantly subdivided into smaller sections. A discrete variable, on the other hand, can only take on specific values. A local radio station has a fan base of 20,000 listeners. The three cans of soup, two packages of nuts, four kinds of vegetables and two desserts are quantitative discrete data because you count them. B. O C. 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. A more technological way is for Lisa to first list the last names of the members of her class together with a two-digit number, as in Table \(\PageIndex{2}\): Lisa can use a table of random numbers (found in many statistics books and mathematical handbooks), a calculator, or a computer to generate random numbers.

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