Multiple Choice
A random sample of size 15 taken from a normally distributed population revealed a sample mean of 75 and a sample variance of 25.The upper limit of a 95% confidence interval for the population mean would equal:
A) 77.769.
B) 72.231.
C) 72.727.
D) 77.273.
Correct Answer:
Verified
Correct Answer:
Verified
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