Multiple Choice
The manager of a grocery store has taken a random sample of 144 customers. The average length of time it took these 144 customers to check out was 3 minutes. It is known that the standard deviation of the population of checkout times is 1 minute. The standard error of the mean equals
A) .008.
B) .833.
C) .083.
D) 1.000.
Correct Answer:
Verified
Correct Answer:
Verified
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