The average American consumes 8.7 liters of alcohol per year. Does the average college student consume less alcohol per year?
Question:
The average American consumes 8.7 liters of alcohol per year. Does the average college student consume less alcohol per year? A researcher surveyed 48 randomly selected college students and found that they averaged 8.3 liters of alcohol consumed per year with a standard deviation of 2.9 liters. What can be concluded at the 0.10 level of significance?
H0: = 8.7
Ha: [ Select ] ["Not Equal to", "<", ">"] 8.7
Test statistic: [ Select ] ["Chi-square", "F", "t", "Z"]
p-Value = [ Select ] ["0.172", "0.025", "0.083", "0.362"] Round your answer to three decimal places.
[ Select ] ["Fail to reject the null hypothesis", "Reject the null hypothesis"]
Conclusion: There is [ Select ] ["sufficient", "insufficient"] evidence to make the conclusion that the population mean amount of alcohol consumed by college students is less than 8.7 liters per year.
Elementary Statistics A Step By Step Approach
ISBN: 9781259755330
10th Edition
Authors: Allan G. Bluman