Two Classes in Business Statistics Showed the Following Results on a Recent

Essay

Two classes in business statistics showed the following results on a recent test. $\begin{array}{lll}&\text { Class } 1 & \text { Class 2 }\\\text { Sample size } & 25 & 21 \\\text { Sample mean } & 82 & 84 \\\text { Sample standard deviation } & 6.2 & 7.6\end{array}$ Carry out a test to determine whether the difference in the variance of the scores on this test is due to chance variation or is statistically significant with a .02 level of significance.