Concept explainers
Miller (2008) examined the energy drink consumption of college undergraduates and found that males use energy drinks, significantly more often than females. To further investigate this phenomenon, suppose that a researcher selects a random sample of n = 36 male undergraduates and a sample of n = 25 females. On average, the males reported consuming M = 2.45 drinks per month and females had an average of M = 1.28. Assume that the overall level of consumption for college undergraduates averages
a. Did this sample of males consume significantly more energy drinks than the overall population average? Use a one-tailed test with
b. Did this sample of females consume significantly fewer energy drinks than the overall population average? Use a one-tailed test with
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Chapter 8 Solutions
Essentials of Statistics for the Behavioral Sciences
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