OpenStax, Statistics §8.2 A Single Population Mean Using the Student's t-Distribution · Exercise 37 · Statistics · Confidence intervals
A Single Population Mean Using the Student's t-Distribution · Exercise 37
A quality control specialist for a restaurant chain takes a random sample of size 12 to check the amount of soda served in the 16-oz serving size. The sample mean is 13.30, with a sample standard deviation of 1.55. Assume the underlying population is normally distributed.
Which of the following is the error bound?
(a) 0.87
(b) 1.98
(c) 0.99
(d) 1.74
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Statistics · §8.2 A Single Population Mean Using the Student's t-Distribution · Exercise 37
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