March 29, 2017

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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 the accompanying summary statistics and an appropriate 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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