The average American consumes 98 liters of alcohol per year. Does the average college student consume less alcohol per year? A researcher surveyed 13 randomly selected college students and found that they averaged 86.7 liters of alcohol consumed per year with a standard deviation of 20 liters. What can be concluded at the the a = 0.10 level of significance?

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The average American consumes 98 liters of alcohol per year. Does the average college student consume
less alcohol per year? A researcher surveyed 13 randomly selected college students and found that they
averaged 86.7 liters of alcohol consumed per year with a standard deviation of 20 liters. What can be
concluded at the the a = 0.10 level of significance?
Transcribed Image Text:The average American consumes 98 liters of alcohol per year. Does the average college student consume less alcohol per year? A researcher surveyed 13 randomly selected college students and found that they averaged 86.7 liters of alcohol consumed per year with a standard deviation of 20 liters. What can be concluded at the the a = 0.10 level of significance?
b. The null and alternative hypotheses would be:
Ho: ? Select an answerv
H1: ? Select an answerv
c. The test statistic ?v =
(please show your answer to 3 decimal places.)
d. The p-value =
|(Please show your answer to 4 decimal places.)
Transcribed Image Text:b. The null and alternative hypotheses would be: Ho: ? Select an answerv H1: ? Select an answerv c. The test statistic ?v = (please show your answer to 3 decimal places.) d. The p-value = |(Please show your answer to 4 decimal places.)
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