Compute standard deviation of sample mean for loading laptop
A laptop manufacturer finds that the average time it takes an employee to load a laptop with software is 40 minutes with a standard deviation 15 minutes. Suppose you take a random sample of 64 employees. The standard deviation of the sample mean is?
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A laptop manufacturer finds that the average time it takes an employee to load a laptop with software is 40 minutes with a standard deviation 15 minutes.
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