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For a Sample of Size 18, the Critical Values of Chi-Square

Question 97

Multiple Choice

For a sample of size 18, the critical values of chi-square for a 99 percent confidence interval for the population variance are:

A) 6.262, 27.49
B) 5.697, 35.72
C) 5.629, 26.12
D) 7.261, 25.00 d.f. = n - 1 = 17, we get χ²_L = 5.697 and χ²_U = 35.72 from AppendixE.

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