A Study Wants to Investigate Whether the Population Variance Is

Short Answer

A study wants to investigate whether the population variance is greater than 8, if a random sample of size 40, yielded a variance of 10. Which of the following is the correct value of the test statistic? $\begin{array}{|l|l|}\hline\text { A } & 50 \\\hline \text { B } & 1.25 \\\hline \text { C } & 48.75 \\\hline \text { D } & 31.2 \\\hline\end{array}$