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. 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. Finite values have discrete data. A random number generator is used to pick two of those years. feet, 190 sq. OOO O A. Continuous data represents information that can be divided into smaller levels. 4. Both samples are biased. These data are used for observation like customer satisfaction, happiness, etc., but we cant do any arithmetical tasks on them. O C. Misleading use of data: improperly displayed graphs, incomplete data, or lack of context. the type of car you drive. And this is the reason why most students find it to be an interesting subject. 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 amount of money they spend on books is as follows: $128; $87; $173; $116; $130; $204; $147; $189; $93; $153. Sampling data should be done very carefully. 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. The number of classes a student missed. data are discrete because the data can take on any value in an You sample five houses. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Most data can be put into the following categories: Qualitative data are the result of categorizing or describing attributes of a population. Suppose ABC College has 10,000 part-time students (the population). If quantitative, state whether it's discrete or continuous. Data from www.bookofodds.com/Relationsh-the-President. A pie chart cannot be used. State whether the data described below are discrete or continuous, and explain why: . A local radio station has a fan base of 20,000 listeners. Confounding makes it difficult or impossible to draw valid conclusions about the effect of each factor. The continuous variable can take any value within a range. Just know that you have prepared and worked hard for this. 1.2: Variables and Types of Data - Statistics LibreTexts Your email address will not be published. O A. Your phone book contains 20,000 residence listings. The data are discrete because the data can . It is also important to know what kind of plot is suitable for which data category; it helps in data analysis and visualization. The first sample probably consists of science-oriented students. Data that can take a decimal value and can vary across a range is called . Problems with samples: A sample must be representative of the population. The data are discrete because the data can only take on specific values. They may be related (correlated) because of their relationship through a different variable. The percent columns make comparing the same categories in the colleges easier. The ordinal data only shows the sequences and cannot use for statistical analysis. The exact distances (in centimeters) between the chairs in a college classroom. Which two towers are closest together. 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. The data are continuous because The data she collects are summarized in the pie chart Figure \(\PageIndex{1}\). 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. To find the average GPA of all students in a university, use all honor students at the university as the sample. The type of data that has clear spaces between values is discrete data. c . 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. A. You can get study material, solved and unsolved questions, and also quizzes which will help you test your knowledge. To find the average annual income of all adults in the United States, sample U.S. congressmen. A type of sampling that is non-random is convenience sampling. In some situations, having small samples is unavoidable and can still be used to draw conclusions. 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. Number the population 120,000 and then use a simple random sample to pick a number that represents the first name in the sample. There are a number of options if you go for the statistics degree. The following graph is the same as the previous graph but the Other/Unknown percent (9.6%) has been included. The numbers of programs installed on various computers ANSWERA.) O A. Roll one fair die (six-sided) 20 times. It is classified into two broad categories: qualitative data and quantitative data. 1. Statistics and Probability questions and answers, state whether the data is continous or discrete The durations of Additional Resources There are distinct or different values in discrete data. Ivy's house is at E, 750 feet from the intersection. Determine whether the data are from discrete data or continuous data set. Because students can complete only a whole number of hours (no fractions of hours allowed), this data is quantitative discrete. 2003-2023 Chegg Inc. All rights reserved. Causality: A relationship between two variables does not mean that one causes the other to occur. Explain your reasoning. State whether the data described below are discrete or continuous, and They spend: $50; $40; $36; $15; $50; $100; $40; $53; $22; $22. The circumferences (in inches) of people's heads Choose the correct answer below. 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. Suppose we take two different samples. 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. You can email the site owner to let them know you were blocked. The durations of a chemical reaction comma repeated . State whether the data described below are discrete or? continuous, and 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. All the members from these clusters are in the cluster sample. Q: Classify the Following as Discrete and Continuous Data. Have some sleep, its important. Nominal data.Ordinal data.Discrete data.Continuous data. Vedantu LIVE Online Master Classes is an incredibly personalized tutoring platform for you, while you are staying at your home. Press ENTER. QUESTIONState whether the data described below are discrete or continuous, and explain why. 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. 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. It is understandable that it must be making you feel nervous right now but your emotions are valid! Besides the chemistry course, some of them are also taking first-term calculus. These kinds of data can be considered in-between qualitative and quantitative data. Asking all 20,000 listeners is an almost impossible task. 134.209.154.177 The height of a student from age 5-15 is continuous data because the height varies continuously from age 5-15 which is not a constant for 10 years. B.The data are discrete because the data can only take on specific values. Most statisticians use various methods of random sampling in an attempt to achieve this goal. I want to study the topic of Statistics for my college-level exams? 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). O C. B. D. The Larger samples are better, if possible. Position 1 is less than the distance from G to H in Position 2. Different types of data are used in research, analysis, statistical analysis, data visualization, and data science. Use the column numbers: one through six. For example, the sample may not be large enough. Qualitative data are generally described by words or letters. The measure of ZQ is 10 less than the measure of LP. Continuous data is the data that can be of any value. 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. For instance, hair color might be black, dark brown, light brown, blonde, gray, or red. Compared to nominal data, ordinal data have some kind of order that is not present in nominal data. It may take any numeric value, within a potential value range of finite or infinite. B. Each random number may only contribute one class member. Compare the fractions 999/10,000 and 999/9,999. Answered: State whether the data discribed below | bartleby State whether the data described below are discrete or? Surveys are typically done without replacement. interval. This data is so important for us that it becomes important to handle and store it properly, without any error. Great Learning's Blog covers the latest developments and innovations in technology that can be leveraged to build rewarding careers. four children shared a two third liter bottle of drink equal.how much did each child drink , two pairs of hikers leave the same camp heading in opposite divections. Surveys mailed to households and then returned may be very biased (they may favor a certain group). Three cell phone towers form APQR. The continuous data can be broken down into. The points are associated with an unbroken line. A random number generator is used to select a student from the alphabetical listing of all undergraduate students in the Fall semester. O A. Create a stratified sample by column. The data are the weights of backpacks with books in them. 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. A. Factors not related to the sampling process cause nonsampling errors. 1. feet, 180 sq. In the graph, the percentages add to more than 100% because students can be in more than one category. Once you are clear with the basic concept, you shall be able to understand additional concepts easily. Collecting data carelessly can have devastating results. B. The numbers generated are as follows: 0.94360; 0.99832; 0.14669; 0.51470; 0.40581; 0.73381; 0.04399. Nominal Data is used to label variables without any order or quantitative value.
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