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Mind on Statistics

5th Edition

Jessica M. Utts, Robert F. Heckard

Publisher: Brooks Cole

ISBN: 9781285463186

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Chapter

Section

Problem 1.1E:

Refer to the data and five-number summaries given in Case Study 1.1. Give a numerical value for each...

Problem 1.2E:

A five-number summary for the heights in inches of the women who participated in the survey in Case...

Problem 1.3E:

In recent years, Vietnamese American women have had the highest rate of cervical cancer in the...

Problem 1.4E:

The risk of getting lung cancer at some point in one’s life for men who have never smoked is about...

Problem 1.5E:

Refer to Case Study 1.3, in which teens were asked about their dating behavior. a. What population...

Problem 1.6E:

Using Case Study 1.6 as an example, explain the difference between a population and a sample.

Problem 1.7E:

A CBS News poll taken in December 2009, asked a random sample of 1048 adults in the United States,...

Problem 1.8E:

A telephone survey of 2000 Canadians conducted March 20-30, 2001, found that ‘Overa1l, about half of...

Problem 1.9E:

In Case Study 1.3, the margin of error for the sample of 496 teenagers was about 4.5%. How many...

Problem 1.10E:

About how many people would need to be in a random sample from a large population to produce an...

Problem 1.11E:

A popular Sunday newspaper magazine often includes a yes-or-no survey question such as “Do you think...

Problem 1.12E:

A proposed study design is to leave 100 questionnaires by the checkout line in a student cafeteria....

Problem 1.13E:

For each of the examples given here, decide whether the study was an observational study or a...

Problem 1.14E:

For each of the studies described, explain whether the study was an observational study or a...

Problem 1.15E:

Read Case Study 1.5. Give an example of a confounding variable that might explain why elderly people...

Problem 1.16E:

Suppose that an observational study showed that students who got at least 7 hours of sleep performed...

Problem 1.17E:

A randomized experiment was done in which overweight men were randomly assigned to either exercise...

Problem 1.18E:

Explain the distinction between statistical significance and practical significance. Can the result...

Problem 1.19E:

A (hypothetical) study of what people do in their spare time found that people born under the...

Problem 1.20E:

Explain what is meant by a “false positive” in the context of conclusions in statistical studies.

Problem 1.21E:

Refer to Case Study 1.6, in which the relationship between aspirin and heart attack rates was...

Problem 1.22E:

Students in a statistics class at Penn State were asked, "About how many minutes do you typically...

Problem 1.23E:

Refer to Exercise 1.22. a. Create a five-number summary for the men’s responses. Show how you found...

Problem 1.24E:

Refer to Exercise 1.22. a. Create a five-number summary for the women’s responses. Show how you...

Problem 1.25E:

An article in the magazine Science (Service, 1994) discussed a study comparing the health of 6000...

Problem 1.26E:

Refer to Exercise 1.25, comparing vegetarians and non vegetarians for two causes of death. Were base...

Problem 1.27E:

An article in the Sacramento Bee (March 8, 1984, p. Al) reported on a study finding that “men who...

Problem 1.28E:

Dr. Richard hurt and his colleagues (hurt et al., 1994) randomly assigned volunteers who wanted to...

Problem 1.29E:

Refer to the study in Exercise 1.28, in which there was a statistically significant difference in...

Problem 1.30E:

Refer to the study in Exercises 1.28 and 1.29, comparing the percentage of smokers who quit using a...

Problem 1.31E:

Case Study 1.6 reported that the use of aspirin reduces the risk of heart attack and that the...

Problem 1.32E:

A random sample of 1001 University of California faculty members taken in December 1995 was asked,...

Problem 1.33E:

The Roper Organization conducted a poll in 1992 (Roper, 1992) in which one of the questions asked...

Problem 1.34E:

Refer to Exercise 1.33. What is the risk of someone in this age group having seen a ghost?

Problem 1.35E:

Refer to Exercise 1.33. The Roper Organization selected a random sample of adults in the United...

Problem 1.36E:

The CNN website sometimes has a small box called “Quick vote” that contains a question about an...

Problem 1.37E:

Explain what is meant by “data snooping.”

Problem 1.38E:

A headline in a major newspaper read, Breast-fed youth found to do better in school. Do you think...

Problem 1.39E:

In this chapter, you learned that cause and effect can be concluded from randomized experiments but...

Problem 1.40E:

Why was the study described in Case Study 1.5 conducted as an observational study instead of an...

Problem 1.41E:

Give an example of a question you would like to have answered, such as “Does eating chocolate help...

Problem 1.42E:

Suppose you were to read the following news story: “Researchers compared a new drug to a placebo for...

MIND ON STATISTICS, Fifth Edition, helps you develop a conceptual understanding of statistical ideas and shows you how to find meaning in data. The authors-who are committed to changing any preconception you may have about statistics being boring-engage your curiosity with intriguing questions, and explain statistical topics in the context of interesting, useful examples and case studies. You'll develop your statistical intuition by focusing on analyzing data and interpreting results, rather than on mathematical formulation. As a result, you'll build both your statistical literacy and your understanding of statistical methodology.

We offer sample solutions for Mind on Statistics homework problems. See examples below:

Refer to the data and five-number summaries given in Case Study 1.1. Give a numerical value for each...A sociologist assembles a dataset consisting of the poverty rate, per capita income, serious crime...For each of the following pairs of variables, is there likely to be a positive association, a...The following table shows data for grades usually achieved in school and how often the respondent...According to the Fundamental Rule for Using Data for Inference, when can available data be used to...

Corresponding editions of this textbook are also available below:

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Mind on Statistics

5 Edition

ISBN: 9781285463186

Mind on Statistics (with JMP Printed Access Card)

5 Edition

ISBN: 9781305649811

EBK MIND ON STATISTICS

5 Edition

ISBN: 9781285974576

Student Solutions Manual for Utts/Heckard's Mind on Statistics, 5th

5 Edition

ISBN: 9781285770208

Bundle: Mind On Statistics, 5th + Aplia, 1 Term Printed Access Card

5 Edition

ISBN: 9781305719491

ETEXT MIND ON STATISTICS EWA ACC >CI<

2 Edition

ISBN: 9781305749719

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