An important feature of tablets is batterylife, the number of hours before the battery needs to be recharged. The data shown in the table below contain the battery life of 10WiFi-only and 103G/4G/WiFi 9- through12-inch tablets. Complete parts(a) through(e).

(USE 0.02)

WiFi Only : 48,24,34,32,41,48,20,31,58,59

3G/4G/WiFi: 70,27,58,37,57,35,50,44,54,69

a. Find the test statistic:

b. Degrees of freedom:

c. Critical values

d. Compare the T stat with the critical values

e. Determine the P value and meaning