Given N = 20, S = 32, and That the Population

question 57

Multiple Choice

Given n = 20, s = 32, and that the population is normally distributed, the 90% confidence interval for the population variance is ___.

• A)645.4460 \(\le\) \(\sigma\)² \(\le\)1923.0978
• B)599.3635 \(\le\) \(\sigma\) ² \(\le\) 2135.3859
• C)592.2258 \(\le\) \(\sigma\)² \(\le\)2184.4685
• D)652.0129 \(\le\)\(\sigma\) ² \(\le\) 1887.4185
• E)642.0929 \(\le\) \(\sigma\) ² \(\le\) 3982.2989

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