The Table Below Shows Two Samples Taken to Compare the Mean

Multiple Choice

The table below shows two samples taken to compare the mean age of individuals who purchased the iPhone 3G at two AT&T store locations. $$\begin{array} { l r r } \text { Statistic } & \text { Ann Arbor } & \text { Livonia } \\\text { Mean } & 25.817 & 31.248 \\\text { St Dev } & 3.389 & 1.874 \\\text { Sample size } & 7 & 10\end{array}$$ What are the critical values for a two-tailed test for equal variances at ? = .05?

A) 0.275, 3.14
B) 0.244, 3.37
C) 0.210, 3.95
D) 0.181, 4.32