The manager of oconomowoc rock co is under the impression


The manager of oconomowoc rock co is under the impression that the average truckload delivered is 4500 lbs. a stockholder contends that this is an overinflated figure to lure new investors. he randomly sampled the records of 25 trucks and found the mean load to be 4460 lbs with a standard deviation of 250 lbs. can he reject the managers claim using a significance level of .05?

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Business Economics: The manager of oconomowoc rock co is under the impression
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