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One truck from Lakeland trucking inc can carry a load of 5132.8 lb. Records show that the weights of boxes that it carries have a

One truck from Lakeland trucking inc can carry a load of 5132.8 lb. Records show that the weights of boxes that it carries have a mean of 75 lb and a standard deviation of 16 lb. For sample size of 64, find the mean and standard deviation of x bar.

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