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Which of the Following Is a 98% Confidence Interval for the Population

Question 6

Multiple Choice

Which of the following is a 98% confidence interval for the population variance when the sample variance is 20 for a sample of 10 items from a normal population?


A) [8.308, 86.207]
B) [7.476, 77.512]
C) [8.617, 78.125]
D) [7.755, 70.313]

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