A researcher claims that the average wind speed in a certain city is 9 miles per hour. In a random s
Question: A researcher claims that the average wind speed in a certain city is 9 miles per hour. In a random sample of 325 days, the average wind speed is 8.5 miles per hour. The standard deviation of the samples is 0.6 miles per hour. At alpha is 0.05 is there enough evidence to reject the claim? (15 points)
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