A Random Sample of Size 25 Taken from a Normally

question 142

Multiple Choice

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

• A) 9.886 and 45.559
• B) 3.144 and 6.750
• C) 0.678 and 1.449
• D) 0.456 and 2.102
• E) 1.493 and 6.430

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