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

Question

Quizplus · Accepted Answer

For a sample size of 18, the degrees of freedom is 17. Using a chi-square distribution table for a 99% confidence interval, the critical values are approximately 5.697 and 35.72.

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