The owner of a fish market has an assistant who has determined that the weights of catfish are normally distributed,with a mean of 3.2 pounds and standard deviation of 0.84 pounds.If a sample of 16 fish is taken,what is the standard error of the mean weight?
A)0.840
B)0.053
C)0.210
D)None of these choices.

Question

Quizplus · Accepted Answer

Standard error of the mean formula is: standard deviation/√sample size
Therefore, the standard error of the mean = 0.84/√16 = 0.21 (rounded to two decimal places). Thus, the correct answer is (C) 0.210.

The Owner of a Fish Market Has an Assistant Who