A sports-and-exercise shop sampled its customer base one morning and asked 8 customers their age. Their responses are shown

Question

A sports-and-exercise shop sampled its customer base one morning and asked 8 customers their age. Their responses are shown below.
24, 24, 25, 26, 28, 31, 36, 45
Which interval estimates the mean age of customers with a margin of error of 1.8?
(A) 25.2 < µ < 28.8
(B) 26.1< µ < 27.9
(C) 28.1 < µ <31.7
(D) 29.0< µ < 30.8µ

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