Question
The Census Bureau reports the average commute time for citizens of Cleveland Ohio is 33 minutes To see if the commute time is different in
The Census Bureau reports the average commute time for citizens of Cleveland Ohio is 33 minutes To see if the commute time is different in the winter a random sample of 40 drivers were surveyed The average commute time for the month of January was calculated to be 34 2 minutes and the population standard deviation is assumed to be 7 5 minutes At the 0 05 level of significance can it be concluded that the commuting times are different in the winter a What are the null and alternative hypotheses O O Hoi u 33 H 33 Hoi A 33 H 33 Hoi H 33 H 33 b What is the test statistic Round to 2 decimal places c What is the p value Round to 4 decimal places d Which is the decision O Fail to reject the null hypothesis O Reject the null hypothesis e Which is the interpretation of the decision There IS NOT enough evidence to concluded that the mean commute times are different in the winter
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