Questions from Applied Statistics


Q: The top food snacks consumed by adults aged 18–54 are

The top food snacks consumed by adults aged 18–54 are gum, chocolate candy, fresh fruit, potato chips, breath mints/candy, ice cream, nuts, cookies, bars, yogurt, and crackers. Out of a random sample...

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Q: In an early home game, an NBA team made 66 of

In an early home game, an NBA team made 66 of their 94 free throw attempts. In one of their last home games, the team made 68 of 89 attempts. (a). At α = .10, did the team significantly improve its...

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Q: Are college students more likely than young children to eat cereal?

Are college students more likely than young children to eat cereal? Researchers surveyed both age groups to find the answer. The results are shown in the table below. (a). State the hypotheses used...

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Q: A 2005 study found that 202 women held board seats out of

A 2005 study found that 202 women held board seats out of a total of 1,195 seats in the Fortune 100 companies. A 2003 study found that 779 women held board seats out of a total of 5,727 seats in the F...

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Q: A study of the Fortune 100 board of director members showed that

A study of the Fortune 100 board of director members showed that there were 36 minority women holding board seats out of 202 total female board members. There were 142 minority men holding board seats...

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Q: To test his hypothesis that students who finish an exam first get

To test his hypothesis that students who finish an exam first get better grades, a professor kept track of the order in which papers were handed in. Of the first 25 papers, 10 received a B or better c...

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Q: How many full-page advertisements are found in a magazine?

How many full-page advertisements are found in a magazine? In an October issue of Muscle and Fitness, there were 252 ads, of which 97 were full-page. For the same month, the magazine Glamour had 342 a...

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Q: eShopNet, an online clothing retailer, is testing a new e

eShopNet, an online clothing retailer, is testing a new e-mail campaign by sending one version of the e-mail with the word “free” in the subject line (version A) to a group of 1500 customers and anoth...

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Q: After John F. Kennedy Jr. was killed in an airplane

After John F. Kennedy Jr. was killed in an airplane crash at night, a survey was taken, asking whether a noninstrument-rated pilot should be allowed to fly at night. Of 409 New York State residents, 6...

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Q: When the background music tempo was slow, the mean amount of

When the background music tempo was slow, the mean amount of bar purchases for a sample of 17 restaurant patrons was $30.47 with a standard deviation of $15.10. When the background music tempo was fas...

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