A Random Sample of 9 Scores Is Collected with a Sample

Essay

A random sample of 9 scores is collected with a sample mean of 62 and a sample variance of 16. Test the following hypotheses at the .05 level of significance:
$\begin{array}{l}H_{0}: \sigma^{2}=15 \\H_{1}: \sigma^{2} \neq 15\end{array}$