Problem 22E Refer to the Wage data, which report information on annual wages for a sample of 100 workers. Also included are variables relating to industry, years of education, and gender for each worker. a. Which of the 12 variables are qualitative and which are quantitative? ________________ b. Determine the level of measurement for each variable.
Read moreTextbook Solutions for Basic Statistics for Business and Economics
Chapter 1 Problem 1E
Question
Problem 1E
What is the level of measurement for each of the following variables?
a. Student IQ ratings.
b. Distance students travel to class.
c. The jersey numbers of a sorority soccer team.
d. A classification of students by state of birth.e. A ranking of students as freshman, sophomore, junior, and senior.
f. Number of hours students study per week.
Solution
Problem 1E
What is the level of measurement for each of the following variables?
a. Student IQ ratings.
b. Distance students travel to class.
c. The jersey numbers of a sorority soccer team.
d. A classification of students by state of birth,
e. ranking of students as freshman, sophomore, junior, and senior.
f. Number of hours students’ study per week.
Step by step solution
Step 1 of 6
a. The ratings of a student's IQ will take numerical values based on the total rating possible. But, it is known that the IQ of students can never be zero. Therefore, the student's IQ will be measured on an interval scale of measurement.
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full solution
full solution
Title
Basic Statistics for Business and Economics 7
Author
Douglas Lind; William Marchal; Samuel Wathen
ISBN
9780077384470
What is the level of measurement for each of the following
Chapter 1 textbook questions
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Chapter 1: Problem 22 Basic Statistics for Business and Economics 7
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Chapter 1: Problem 1 Basic Statistics for Business and Economics 7
Problem 1E What is the level of measurement for each of the following variables? a. Student IQ ratings. ________________ b. Distance students travel to class. ________________ c. The jersey numbers of a sorority soccer team. ________________ d. A classification of students by state of birth.e. A ranking of students as freshman, sophomore, junior, and senior. ________________ f. Number of hours students study per week.
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Chapter 1: Problem 3 Basic Statistics for Business and Economics 7
Problem 3E Look in the latest edition of USA Today or your local newspaper and find examples of each level of measurement. Write a brief memo summarizing your findings.
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Chapter 1: Problem 4 Basic Statistics for Business and Economics 7
Problem 4E For each of the following, determine whether the group is a sample or a population. a. The participants in a study of a new cholesterol drug. ________________ b. The drivers who received a speeding ticket in Kansas City last month. ________________ c. Those on welfare in Cook County (Chicago), Illinois. ________________ d. The 30 stocks reported as a part of the Dow Jones Industrial Average.
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Chapter 1: Problem 5 Basic Statistics for Business and Economics 7
Problem 5E Explain the difference between qualitative and quantitative variables. Give an example of qualitative and quantitative variables.
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Chapter 1: Problem 2 Basic Statistics for Business and Economics 7
Problem 2E What is the level of measurement for these items related to the newspaper business? a. The number of papers sold each Sunday during 2008. ________________ b. The departments, such as editorial, advertising, sports, etc. ________________ c. A summary of the number of papers sold by county. ________________ d. The number of years with the paper for each employee.
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Chapter 1: Problem 6 Basic Statistics for Business and Economics 7
Problem 6E Explain the difference between a sample and a population.
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Chapter 1: Problem 8 Basic Statistics for Business and Economics 7
Problem 8E For the following questions, would you collect information using a sample or a population? Why? a. Statistics 201 is a course taught at a university. Professor A. Verage has taught nearly 1,500 students in the course over the past 5 years. You would like to know the average grade for the course. ________________ b. As part of a research project, you need to report the average profitability of the number one corporation in the Fortune 500 for the past 10 years. ________________ c. You are looking forward to graduation and your first job as a salesperson for one of five large pharmaceutical corporations. Planning for your interviews, you will need to know about each company’s mission, profitability, products, and markets. ________________ d. You are shopping for a new MP3 music player such as the Apple iPod. The manufacturers advertise the number of music tracks that can be stored in the memory. Usually, the advertisers assume relatively short, popular music to estimate the number of tracks that can be stored. You, however, like Broadway musical tunes and they are much longer. You would like to estimate how many Broadway tunes will fit on your MP3 player.
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Chapter 1: Problem 9 Basic Statistics for Business and Economics 7
Problem 9E Exits along interstate highways were formerly numbered successively from the western or southern edge of a state. However, the Department of Transportation has recently changed most of them to agree with the numbers on the mile markers along the highway. a. What level of measurement were data on the consecutive exit numbers? ________________ b. What level of measurement are data on the milepost numbers? ________________ c. Discuss the advantages of the newer system.
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Chapter 1: Problem 7 Basic Statistics for Business and Economics 7
Problem 7E Explain the difference between a discrete and a continuous variable. Give an example of each not included in the text.
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Chapter 1: Problem 10 Basic Statistics for Business and Economics 7
Problem 10E A review solicits a large number of college undergraduates for information on the following variables: the name of their cell phone provider (AT&T, Verizon, and so on), the numbers of minutes used last month (200, 400, for example), and their satisfaction with the service (Terrible, Adequate, Excellent, and so forth.). What is the data scale for each of these three variables?
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Chapter 1: Problem 11 Basic Statistics for Business and Economics 7
Problem 11E Assume you have records of the daily sales receipts from the Gap store at Ridgedale Mall. Describe a condition in which this information could be considered a sample. Illustrate a second situation in which is same data would be regarded as a population.
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Chapter 1: Problem 12 Basic Statistics for Business and Economics 7
Problem 12E Utilize the concepts of sample and population to describe how a presidential election is unlike an “exit” poll of the electorate.
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Chapter 1: Problem 13 Basic Statistics for Business and Economics 7
Problem 13E Piace these variables in the following classification tables. For each table, summarize your observations and evaluate if the results are generally true. For example, salary is reported as a continuous quantitative variable. It is also a continuous ratio scaled variable. a. Salary ________________ b. Gender ________________ c. Sales volume of MP3 players ________________ d. Soft drink preference ________________ e. Temperature ________________ f. SAT scores ________________ g. Student rank in class ________________ h. Rating of a finance professor ________________ i. Number of home computers Discrete Variable Continuous Variable Qualitative Quantitative a. Salary Discrete Continuous Nominal Ordinal Interval Ratio a. Salary
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Chapter 1: Problem 14 Basic Statistics for Business and Economics 7
Problem 14E Using data from such publications as the Statistical Abstract of the United States, The World Almanac, Forbes, or your local newspaper, give examples of the nominal, ordinal, interval, and ratio levels of measurement.
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Chapter 1: Problem 16 Basic Statistics for Business and Economics 7
Problem 16E AVX Stereo Equipment, Inc., recently began a “no-hassles” return policy. A sample of 500 customers who had recently returned items showed 400 thought the policy was fair, 32 thought it took too long to complete the transaction, and the rest had no opinion. On the basis of this information, make an inference about customer reaction to the new policy.
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Chapter 1: Problem 15 Basic Statistics for Business and Economics 7
Problem 15E The Struthers Wells Corporation employs more than 10,000 white collar workers in its sales offices and manufacturing facilities in the United States, Europe, and Asia. A sample of 300 of these workers revealed 120 would accept a transfer to a location outside the United States. On the basis of these findings, write a brief memo to Ms. Wanda Carter, Vice President of Human Services, regarding all white collar workers in the firm and their willingness to relocate.
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Chapter 1: Problem 17 Basic Statistics for Business and Economics 7
Problem 17E The table below reports the number of cars and light-duty trucks sold by the six largest auiomakers in January 2006 and in 2007. Units Company 2007 2006 General Motors 244,614 293,302 Toyota 175,850 160,594 Chrysler 173,407 168,030 Ford Motor 165,668 204,528 Honda 100,790 98,428 Nissan 82,644 75,890 a. Compare the total sales in the two months. What would you conclude? Has there been an increase or a decrease in sales? ________________ b. Compare the percent change in sales for the six companies. Has there been a change in the size of the market or did one company gain sales at the expense of another?
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Chapter 1: Problem 18 Basic Statistics for Business and Economics 7
Problem 18E The following chart depicts the average amounts spent by consumers on holiday gifts. Write a brief report summarizing the amounts spent during the holidays. Be sure to include the total amount spent, and the percent spent by each group.
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Chapter 1: Problem 19 Basic Statistics for Business and Economics 7
Problem 19E The following chart depicts the earnings in billions of dollars for ExxonMobil for the period 2003 to 2007. Write a brief report discussing earnings at ExxonMobil during the period. Did earnings increase or decrease over the period? Provide evidence to support your answer.
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Chapter 1: Problem 20 Basic Statistics for Business and Economics 7
Problem 20E Refer to the Real Estate data at the back of the text, which report information on homes sold in the Denver, Colorado, area last year. Consider the following variables: selling price, number of bedrooms, township, and distance from the center of the city. a. Which of the variables are qualitative and which are quantitative? ________________ b. Determine the level of measurement for each of the variables.
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Chapter 1: Problem 21 Basic Statistics for Business and Economics 7
Problem 21E Refer to the Baseball 2007 data, which report information on the 30 Major League Baseball teams for the 2007 season. Consider the following variables: number of wins, team salary, season attendance, whether the team played its home games on a grass field or an artificial surface, and the number of home runs hit. a. Which of these variables are quantitative and which are qualitative? ________________ b. Determine the level of measurement for each of the variables.
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