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A study of 562 of customers using the company's shopping app shows that they have a...

A study of 562 of customers using the company's shopping app shows that they have a mean income of $42,000 with a standard deviation of 16354. What is the standard error of this sample mean? Round to the nearest whole number.

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Answer #1

standard error

= standard deviation/sqrt(number of customers)

= 16354/sqrt(562)

= 689.85

= 690

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