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A Random Sample of Size 25 Taken from a Normally

Question 138

Multiple Choice

A random sample of size 25 taken from a normally distributed population resulted in a sample standard deviation of 0.93054. What are the lower and upper limits of a 99% confidence interval for the population variance?


A) 9.886 and 45.559
B) 3.144 and 6.750
C) 0.678 and 1.449
D) 0.456 and 2.102

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