The A-1 Video Rental Has Run Two Specials in the Local

Essay

The A-1 Video Rental has run two specials in the local newspaper.One was a two-for-one rental for Tuesday through Thursday.The second was for $1 off on Friday and Saturday.A computer output is shown below: $$\begin{array} { l c r c c } & \text { n } & \text { MEAN } & \text { STDEV } & \text { SEMEAN } \\\text { Tues-Thur } & 15 & 185.5 & 28.2 & 7.3 \\\text { Fri-Sat } & 13 & 268.2 & 30.6 & 8.5\end{array}$$ Determine at the 0.05 level if the standard deviations of the populations are equal.
Test statistic = ____________________
Conclusion: ____________________