APPLIED STAT.IN BUS.+ECONOMICS
6th Edition
ISBN: 9781259957598
Author: DOANE
Publisher: RENT MCG
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 2, Problem 57CE
Households can sign up for a telemarketing “no-call list.” How might households who sign up differ from those who don’t? What biases might this create for telemarketers promoting (a) financial planning services, (b) carpet cleaning services, and (c) vacation travel packages?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
2. The student council wants to know what activities would be supported by the student body.
Decisions about activities are often made on the basis of survey information. Let's say that a survey
was sent out to the student body via emails listed in the school's data base. The survey asked three
questions:
• Do you support the student council's decision to hold a fund raiser for the food bank?
• Do you support the student council's decision to have a school social?
• Do you support the student council's decision to offer peer mentoring?
Below is a Venn diagram showing the results of the students who responded to the survey. Each circle
represents the students who supported that decision. Use the diagram to answer the following
questions. For each question show all calculations required and state your conclusion in a complete
sentence or short paragraph.
STUDENTS WHO RESPONDED TO THE SURVEY
Fund Raiser
Social
128
35
52
78
43
96
215
Mentoring
3,286
а.
How many students responded to the…
To better understand how husbands and wives feel about their finances, Money Magazine conducted a national poll of 1010 married adults age 25 and older with household incomes of $50,000 or more (Money Magazine website, December 14, 2014). Consider the following example set of responses to the question, “Who is better at getting deals?”
Who Is Better?
Respondent I Am My Spouse We Are Equal
Husband 278 127 102
Wife 290 111 102
1. Given that the respondent is a wife, what is the probability that she feels she is betterat getting deals than her husband?2. Given a response “My spouse” is better at getting deals, what is the probability thatthe response came from a husband?3. Given a response “We are equal,” what is the probability that the response came froma husband? What is the probability that the response came from a wife?
Because of the complex nature of the U.S. income tax system, many people have questions for the Internal Revenue Service (IRS). Yet an article published by the Detroit Free Press titled “Assistance: IRS Help Centers Give the Wrong Information” discusses the propensity of IRS staff employees to give incorrect tax information to taxpayers who call with questions. Then IRS Inspector General Pamela Gardiner told a Senate subcommittee that “the IRS employees at 400 taxpayer assistance centers nationwide encountered 8.5 million taxpayers face-to-face last year. The problem: When inspector general auditors posing as taxpayers asked them to answer tax questions, the answers were right 69% of the time.”
Suppose an independent commission was formed to test whether the 0.69 accuracy rate is correct or whether it is actually higher or lower. The commission has randomly selected n = 180 tax returns that were completed by IRS assistance employees and found that 105 of the returns were…
Chapter 2 Solutions
APPLIED STAT.IN BUS.+ECONOMICS
Ch. 2.1 - What type of data (categorical, discrete...Ch. 2.1 - What type of data (categorical, discrete...Ch. 2.1 - What type of data (categorical, discrete...Ch. 2.1 - (a) Give three original examples of discrete data,...Ch. 2.1 - Which type of data (cross-sectional or time...Ch. 2.1 - Which type of data (cross-sectional or time...Ch. 2.1 - Prob. 7SECh. 2.1 - Give an original example of a time series variable...Ch. 2.2 - Which measurement level (nominal, ordinal,...Ch. 2.2 - Which measurement level (nominal, ordinal,...
Ch. 2.2 - Which measurement level (nominal, ordinal,...Ch. 2.2 - Prob. 12SECh. 2.2 - Prob. 13SECh. 2.2 - (a) Would the measurement level for the data...Ch. 2.3 - Would you use a sample or a census to measure each...Ch. 2.3 - Would you use a sample or a census to measure each...Ch. 2.3 - The target population is all stocks in the SP 500...Ch. 2.4 - The target population is all students in your...Ch. 2.4 - Suppose you want to know the ages of moviegoers...Ch. 2.4 - Suppose you want to study the number of e-mail...Ch. 2.4 - In Excel, type a list containing names for 10 of...Ch. 2.6 - What sources of error might you encounter if you...Ch. 2.6 - What kind of survey (mail, telephone, interview,...Ch. 2.6 - What kind of survey (mail, telephone, interview,...Ch. 2.6 - Prob. 27SECh. 2.6 - What problems are evident in the wording of these...Ch. 2 - Define (a) data, (b) data set (c) observation, and...Ch. 2 - How do business data differ from scientific...Ch. 2 - Distinguish (a) univariate, bivariate, and...Ch. 2 - Define the four measurement levels and give an...Ch. 2 - Prob. 5CRCh. 2 - (a) List three reasons why a census might be...Ch. 2 - Prob. 7CRCh. 2 - (a) List four methods of random sampling. (b) List...Ch. 2 - List five (a) steps in a survey, (b) issues in...Ch. 2 - Prob. 10CRCh. 2 - Prob. 29CECh. 2 - Prob. 30CECh. 2 - Prob. 31CECh. 2 - Which measurement level (nominal, ordinal,...Ch. 2 - Below are five questions from a survey of MBA...Ch. 2 - Below are five questions from a survey of MBA...Ch. 2 - Below are five questions from a survey of MBA...Ch. 2 - Prob. 36CECh. 2 - Identify the following data as either time series...Ch. 2 - Would you use a sample or a census to measure each...Ch. 2 - Would you use a sample or census to measure each...Ch. 2 - Is each of the following a parameter or a...Ch. 2 - Prob. 41CECh. 2 - Prob. 42CECh. 2 - Prob. 43CECh. 2 - Prob. 44CECh. 2 - The IRS estimates that the average taxpayer spent...Ch. 2 - The General Accounting Office conducted random...Ch. 2 - Arsenic (a naturally occurring, poisonous metal)...Ch. 2 - Prob. 48CECh. 2 - Would you expect Noodles Company to use a sample...Ch. 2 - A financial magazine publishes an annual list of...Ch. 2 - Examine each of the following statistics. Which...Ch. 2 - The National Claims History (NCH) contains records...Ch. 2 - Prior to starting a recycling program, a city...Ch. 2 - A university wanted to survey alumni about their...Ch. 2 - The U.S. Fisheries and Wildlife Service requires...Ch. 2 - Prob. 56CECh. 2 - Households can sign up for a telemarketing no-call...Ch. 2 - What level of measurement (nominal, ordinal,...Ch. 2 - Insurance companies are rated by several rating...Ch. 2 - A tabletop survey by a restaurant asked the...Ch. 2 - Give two original examples of (a) discrete data...Ch. 2 - Prob. 64CECh. 2 - Below are 64 names of employees at NilCo. Colors...Ch. 2 - From the display below, pick five cards (without...Ch. 2 - You can test Excels algorithm for selecting random...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Similar questions
- ClairLinx Wireless, a start-up cell phone company, is trying to decide if it should market specific phone service plans to specific groups of customers. ClairLinx divides its market of potential customers into three major groups: single, working; married, working; and retired. ClairLinx surveyed 500 potential customers (chosen at random) and asked each, "Of the following, which do you consider to be the most important feature in a cell phone service plan: free nights and weekends, free long distance and roaming, or free calls to customers with the same company?" So, there are two variables being considered: type of potential customer ("single, working"; "married, working"; or "retired") and choice of service plan feature ("free calls to other customers", "free nights and weekends", or "free long-distance and roaming"). Each of the 500 potential customers in the survey was categorized according to the service plan feature she considers most important and the customer group in which…arrow_forwardA study was conducted to determine how people get jobs. The table lists data from 400 randomly selected subjects. Construct a Pareto chart Job Sources that corresponds to the given data. If someone would like to get a job, what seems to be the most effective approach? Help-wanted ads (H) Executive search firms (E) Networking (N) Mass mailing (M) Choose the correct Pareto chart. OA. 300 250- 200- 150- 100- 50- 0- Ε Ν Η Μ O B. 300 250 200- 150- 100- 50- 0- HEN M C O C. 300 250- 200- 150- 100- 50- 0- ENHM O D. 300- 250- 200- 150- 100- 50- 0- HENM Frequency 43 271 57 29arrow_forward1. A political analyst in Texas surveys a random sample of registered Democrats and compares the results with those obtained from a random sample of registered Republicans. This would be an example of: a. Independent samples. b. dependent samples. c. Independent samples only if the sample sizes are equal. d. Dependent samples only if the sample sizes are equal.arrow_forward
- More survey questions Examine each of the followingquestions for possible bias. If you think the question isbiased, indicate how and propose a better question.a) Do you think high school students should be requiredto wear uniforms?b) Given humanity’s great tradition of exploration, doyou favor continued funding for space flights?arrow_forward8) In the US, 4.5% of the population identifies as lesbian, gay, bisexual, or transgender (see, for instance, this report). In the UK, the LGBT community accounts for 1.5% of the population. Which of the following can be inferred from the given information? a) The number of LGBT individuals in the US is greater than that in the UK. b) The proportion of LGBT individuals in the US is 3% greater than the proportion of LGBT individuals in the UK. c) The proportion of LGBT individuals in the UK is 3% less than that in the US. d) The proportion of LGBT individuals in the UK is 200% greater than that in the US. e) The proportion of LGBT individuals in the US is 200% greater than that in the UK.arrow_forwardA survey of 800 college seniors resulted in the following crosstabulation (Table 1) regarding their undergraduate major and whether or not they plan to go to graduate school. Please use the information to answer questions 3-6. Undergraduate Major Graduate School Business Engineering Others Total Yes 70 84 126 280 No 182 208 130 520 Total 252 292 256 800 Among the students who plan to go to graduate school, what percentage indicated "Other" majors?arrow_forward
- Three businesswomen are trying to convene in Cincinnati for a business meeting. The first women (Woman 1) is arriving on a flight from Atlanta, the second (Woman 2) is arriving on a flight from Dallas, and the third (Woman 3) is arriving on a flight from Chicago. Historical data suggests that the Atlanta flight is “on time” 90% of the time, the Dallas flight is “on time” 95% of the time, and the Chicago flight is “on time” 80% of the time. Furthermore, historical data suggests that the three flights are independent with respect to on time behavior. Define the sample space for this random experiment. Compute the probability for each of the outcomes in the sample space. Let W denote the number of business women that arrive on time. Construct the probability mass function of W Construct the cumulative distribution function of W Find the expected value of W Compute the standard deviation of Warrow_forwardThe Des Moines Twisters, a women’s professional basketball team, needs a new point guard and is considering signing one of three college players—Keisha Jones, Natasha Franklin, and Kathleen Taylor. The team will base its decision of which player to sign on four criteria: the player’s shooting ability, rebounding ability, ball handling skills, and attitude. Following is a survey of the three players’ college game statistics for their senior year: Although the coach can base some of her pairwise comparisons on these statistics, it is more difficult to assess attitude. She has interviewed each player, and she moderately prefers Keisha Jones’s attitude to Kathleen Taylor’s and strongly prefers Keisha Jones’s attitude to Natasha Franklin’s. Assume the coach’s role and develop pairwise comparisons for all four of the criteria and between the criteria. Use AHP to determine which player you would select.arrow_forwarda survey of 150 freshman business students at a local university produced the results listed below. how many students took only religion? 35 took history;42 took science;43 took religion;19 took history but not science;14 took science and religion;15 took history and religion;6 took all threearrow_forward
- In a survey, 1000 adults were asked whether they favored an increase in the state income tax if the additional revenues went to education. In addition it was noted whether the person lived in a city, suburb, or rural part of the state. Do the results indicate that the place of residence and the opinion about tax increase are independent?arrow_forwardEmployees at Sherman Inc. were given a survey about their current habits. One of the questions asks how often the employees use public transportation. They can choose one of the following responses for the survey. Always Very Often Fairly Often Sometimes Almost Never Never Which of the following could affect the results of the survey? A. The answer choices could be interpreted differently by different employees. B. The question covers a wide range of viewpoints. C. The results could be flawed because the sample population was too large. D. The survey is biased because it is only being taken by current employees.arrow_forward2.) The Gallup organization surveyed 1100 adult Americans on May 6-9, 2002, and conducted an independentsurvey of 1100 adult Americans on May 8-11, 2014. In both surveys they asked, “Right now, do you think the stateof moral values in the country as a whole is getting better or getting worse?” On May 8-11, 2014, 816 of the 1100of the survey responded that the state of moral values is getting worse; on May 6-9, 2002, 737 of 1100 surveyedresponded that the state of moral values is getting worse. Is there a significant difference between the twoproportions at the ? = 0.1 level of significance?a.) Verify that the requirements for inference about two population proportions is satisfied.b.) What is the Null and Alternative Hypotheses? What test will you be using?c.) What is the level of significance and the ?-value?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
MATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
Probability and Statistics for Engineering and th...StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage Learning
Statistics for The Behavioral Sciences (MindTap C...StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning
Elementary Statistics: Picturing the World (7th E...StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSON
The Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. Freeman
Introduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman
MATLAB: An Introduction with Applications
Statistics
ISBN:9781119256830
Author:Amos Gilat
Publisher:John Wiley & Sons Inc
Probability and Statistics for Engineering and th...
Statistics
ISBN:9781305251809
Author:Jay L. Devore
Publisher:Cengage Learning
Statistics for The Behavioral Sciences (MindTap C...
Statistics
ISBN:9781305504912
Author:Frederick J Gravetter, Larry B. Wallnau
Publisher:Cengage Learning
Elementary Statistics: Picturing the World (7th E...
Statistics
ISBN:9780134683416
Author:Ron Larson, Betsy Farber
Publisher:PEARSON
The Basic Practice of Statistics
Statistics
ISBN:9781319042578
Author:David S. Moore, William I. Notz, Michael A. Fligner
Publisher:W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:9781319013387
Author:David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:W. H. Freeman
What Are Research Ethics?; Author: HighSchoolScience101;https://www.youtube.com/watch?v=nX4c3V23DZI;License: Standard YouTube License, CC-BY
What is Ethics in Research - ethics in research (research ethics); Author: Chee-Onn Leong;https://www.youtube.com/watch?v=W8Vk0sXtMGU;License: Standard YouTube License, CC-BY