The average American consumes 100 liters of alcohol per year. Does the average college student consume more alcohol per year? A researcher surveyed 13 randomly selected college students and found that they averaged 107.9 liters of alcohol consumed per year with a standard deviation of 19 liters. Assuming that the data come from a normally distributed population, what can be concluded at the the αα = 0.05 level of significance?
The null and alternative hypotheses would be:
The test statistic=
The p-value =
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