Introductory Statistics (2nd Edition)
Introductory Statistics (2nd Edition)
2nd Edition
ISBN: 9780321978271
Author: Robert Gould, Colleen N. Ryan
Publisher: PEARSON
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Chapter 13, Problem 23SE

Meat-Eating Behavior (Example 4) A researcher was interested in the ethics of eating meat, so he studied and compared ethicists (philosophy professors who taught ethics) with professors who taught other subjects to find out whether ethicists eat less meat (Schwitzgebel and Rust 2009). The subjects were asked how many meals they eat per week that include meat. The output provided are from a random sample from the full study. Vegetarians (who eat no meat) were excluded. Assume the shapes and spreads of the distributions are the same.

a. Refer to the output given. Compare the sample medians. What do they tell us about the research question?

b. Refer to the output to perform a Mann-Whitney test using a significance level of 0.05. State all four steps of a significance test.

Chapter 13, Problem 23SE, Meat-Eating Behavior (Example 4) A researcher was interested in the ethics of eating meat, so he

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Chapter 13 Solutions

Introductory Statistics (2nd Edition)

Ch. 13 - Circuit City (Example 2) A statistics student who...Ch. 13 - Morning Routine A statistics student conducted a...Ch. 13 - Exercise Hours A statistics student was interested...Ch. 13 - Television Viewing A Nielsen poll asked people the...Ch. 13 - Lead Exposure (Example 3) Excessive lead levels...Ch. 13 - Juvenile Delinquents Dr. Kirkland R. Gable (in...Ch. 13 - The Stroop Effect Suppose you had to identify the...Ch. 13 - Reading Material on Colored Paper In the past,...Ch. 13 - Males’ Pulse Rates Students in a statistics class...Ch. 13 - Females’ Pulse Rates Refer to exercise 13.19. This...Ch. 13 - Ages of Brides and Grooms A random sample of the...Ch. 13 - Textbook Prices A student was interested in...Ch. 13 - Meat-Eating Behavior (Example 4) A researcher was...Ch. 13 - Credit Card Debt A statistics student who was...Ch. 13 - Texting Suppose a group of randomly selected...Ch. 13 - Sleep Typically, do men and women sleep different...Ch. 13 - Cell Phone Bills Cell phone bills (rounded to the...Ch. 13 - Weights of Athletes Data were collected on the...Ch. 13 - Happiness A StatCrunch survey of happiness...Ch. 13 - Soda A StatCrunch survey was done asking what...Ch. 13 - Sports and Extraversion (Example 5) Are students...Ch. 13 - Happiness Are women happier than men? A StatCrunch...Ch. 13 - College Students and Credit Card Debt In exercise...Ch. 13 - Soda Does soda constitute a larger part of the...Ch. 13 - Rainfall In a well-known study on the effects of...Ch. 13 - Rainfall Refer to exercise 13.35, which discussed...Ch. 13 - Randomization Exercise 13.35 describes a...Ch. 13 - Randomization Exercise 13.35 describes a...Ch. 13 - Ages of Married Couples You have date on the ages...Ch. 13 - For exercises 13.39 through 13.46, choose from the...Ch. 13 - Voicemail Suppose you are interested in the length...Ch. 13 - For exercises 13.39 through 13.46, choose from the...Ch. 13 - Ages of Students Suppose you have the ages of a...Ch. 13 - Car Repairs Suppose you want to determine whether...Ch. 13 - Grocery Prices Suppose a random sample of grocery...Ch. 13 - For exercises 13.39 through 13.46, choose from the...Ch. 13 - Ice Cream Cones McDonald’s claims that its ice...Ch. 13 - Average Body Temperatures Many people believe that...Ch. 13 - Contacting Mom Random samples of 30 professors of...Ch. 13 - 13.50 through 13.54 Texts Sent and Received...Ch. 13 - 13.50 through 13.54 Texts Sent and Received...Ch. 13 - 13.50 through 13.54 Texts Sent and Received...Ch. 13 - 13.50 through 13.54 Texts Sent and Received...Ch. 13 - 13.50 through 13.54 Texts Sent and Received...Ch. 13 - Geometric Mean The dotplot shows the number of...Ch. 13 - Looking at the data about contacting mom (exercise...Ch. 13 - Resampling Moms We performed a randomization test...Ch. 13 - Resampling Texts Using the data from Exercise...

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