Multiple Choice
When establishing the confidence interval for the average weight of a cereal box, assume that the population standard deviation is known to be 2 ounces and is normally distributed. Based on a sample, the average weight of a sample of 20 boxes is 16 ounces. The appropriate test statistic to use is ________.
A) t
B) z
C) χ
D) p
Correct Answer:
Verified
Correct Answer:
Verified
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