A random sample of size 20 taken from a normally distributed population resulted in a sample variance of 32. The lower limit of a 90% confidence interval for the population variance would be: $\begin{array}{|l|l|}
\hline\text { A. } & 52.185 . \
\hline \text { B. } & 20.375 . \
\hline \text { C. } & 20.170 . \
\hline \text { D. } & 54.931 . \
\hline
\end{array}$

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The Answer of A random sample of size 20 taken from a normally distributed population resulted in a sample variance of 32. The lower limit of a 90% confidence interval for the population variance would be: $\begin{array}{|l|l|}
\hline\text { A. } & 52.185 . \
\hline \text { B. } & 20.375 . \
\hline \text { C. } & 20.170 . \
\hline \text { D. } & 54.931 . \
\hline
\end{array}$

A Random Sample of Size 20 Taken from a Normally