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October 25, 2014

Homework Help: statistics

Posted by BOB on Wednesday, April 20, 2011 at 11:03pm.

Each person in random sample of 247 male and 253 female working adults living in Calgary, Canada was asked how long, in minutes, his or her typical daily commute was. use teh accompanying summary statistics and an appropiate hypothesis test to determine if there is convincing evidence that the mean commute times for male and female working Calgary residents differ. Use a significance level of alpha=.05

males females
sample xbar s sample size xbar s
247 , 29.6, 24.3 - 253, 27.3,24.0

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