Questions from Applied Statistics


Q: One Friday night, there were 42 carry-out orders at

One Friday night, there were 42 carry-out orders at Ashoka Curry Express. (a). Estimate the mean and standard deviation from the sample. (b). Assuming that the data are from a normal distribution,...

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Q: Use MINITAB’s Stat > Basic Statistics > Normality Test or other software

Use MINITAB’s Stat > Basic Statistics > Normality Test or other software to obtain a probability plot for the exam score data (see Exercise 15.15). Interpret the probability pl...

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Q: Teenagers make up a large percentage of the market for clothing.

Teenagers make up a large percentage of the market for clothing. Below are data on running shoe ownership in four world regions (excluding China). Research question: At α = .01, does thi...

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Q: Students applying for admission to an MBA program must submit scores from

Students applying for admission to an MBA program must submit scores from the GMAT test, which includes a verbal and a quantitative component. Shown here are raw scores for 100 randomly chosen MBA app...

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Q: Is HDTV ownership related to quantity of purchases of othe r electronics

Is HDTV ownership related to quantity of purchases of othe r electronics? A Best Buy retail outlet collected the following data for a random sample of its recent customers. Research question: At &Icir...

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Q: Marketing researchers sent an advance e-mail notice announcing an upcoming

Marketing researchers sent an advance e-mail notice announcing an upcoming Internet survey and describing the purpose of their research. Half the target customers received the prenotification, followe...

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Q: Last month, 85 percent of the visitors to the Sonora Candy

Last month, 85 percent of the visitors to the Sonora Candy Factory made a purchase in the on-site candy shop after taking the factory tour. This month, a random sample of 500 such visitors showed that...

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Q: U.S. market share for smartphones with larger screens is

U.S. market share for smartphones with larger screens is increasing. As of the first quarter of 2011, smartphones with screens 4 inches or larger had captured 24 percent of the smartphone market. The...

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Q: Market research has shown that Americans will continue to eat out even

Market research has shown that Americans will continue to eat out even in a depressed economy. A market analysis during the most recent recession showed the following distribution of visits to the var...

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Q: Use MegaStat or MINITAB to identify observations with high leverage.

Use MegaStat or MINITAB to identify observations with high leverage. Midterm and Final Exam Scores for Business Statistics Students Fall Semester 2011 (n = 58 students) Midterm Exam Score â...

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