Questions from Business Statistics


Q: Wayne Gretzky was one of ice hockey’s most prolific scorers when he

Wayne Gretzky was one of ice hockey’s most prolific scorers when he played for the Edmonton Oilers. During his last season with the Oilers, Gretzky played in 41 games and missed 17 g...

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Q: Are girls less inclined to enroll in science courses than boys?

Are girls less inclined to enroll in science courses than boys? One study (“intentions of Young Students to enroll in Science courses in the future: an examination of gender Differen...

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Q: Research has shown that for baseball players, good hip range of

Research has shown that for baseball players, good hip range of motion results in improved performance and decreased body stress. The article “functional hip characteristics of baseball pitchers and p...

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Q: The paper “the effect of multitasking on the grade performance of

The paper “the effect of multitasking on the grade performance of business Students” (Research in Higher Education Journal [2010]: 1–10) describes an experiment in which 62 undergraduate business stud...

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Q: The paper “Short-term Sleep Loss Decreases physical activity Under

The paper “Short-term Sleep Loss Decreases physical activity Under free-Living conditions but Does not increase food intake Under time-Deprived Laboratory conditions in healthy men” (American Journal...

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Q: The article “an alternative Vote: applying Science to the teaching

The article “an alternative Vote: applying Science to the teaching of Science” (The Economist, may 12, 2011) describes an experiment conducted at the University of British Columbia. A total of 850 eng...

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Q: Can moving their hands help children learn math? This question was

Can moving their hands help children learn math? This question was investigated in the paper “gesturing gives children new ideas about math” (Psychological Science...

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Q: Use the information in the previous exercise to estimate the difference in

Use the information in the previous exercise to estimate the difference in the mean number of correct answers for the two different methods. Use a 95% confidence level, and be sure to interpret the in...

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Q: The accompanying data on food intake (in Kcal) for 15

The accompanying data on food intake (in Kcal) for 15 men on the day following two nights of only 4 hours of sleep each night and for 15 men on the day following two nights of 8 hours of sleep each ni...

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Q: Is injecting medical cement effective in reducing pain for people who have

Is injecting medical cement effective in reducing pain for people who have suffered fractured vertebrae? The paper “a randomized trial of Vertebroplasty for osteoporotic Spinal fract...

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