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Is there sufficient evidence at alpha 05 to conclude that

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Question: The average wind speed in Casper has been found to be 12.7 mph and in Tucson it has been found to be 6.2 mph. To test the relationship between the averages, a sample of 31 days was selected from each city and a summary of the data is:

                                                      Casper                  Tucson

Sample size                                       31                         31

Sample mean                                 12.85 mph           7.9 mph

Sample standard deviation              3.3 mph              2.8 mph

Is there sufficient evidence, at Alpha = .05, to conclude that the average wind speed is greater in Casper than in Tucson?

Reference no: EM13579324

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