Multiple Choice
What is the 95% confidence interval width for a sample with a mean of 50 and a standard deviation of 14 based on 75 observations?
A) (44.13, 55.87)
B) (46.83, 53.17)
C) (40.67, 59.32)
D) (48.22, 51.78)
Correct Answer:
Verified
Correct Answer:
Verified
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