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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