Time for some tedious by hand practice just to see if you can get the numbers right. Using the following information, calculate the t-test statistic by hand.
a. ¯x1=62 x2=60 n1=10 n2=10 s2/1=2.45 s 2/2=3.16
b. x1=158 x2=157.4 n1=22 n2=26 s 2/1=2.06 s 2/2=2.59
c. x1=200 x2= 198 n1=17 s 2/1=2.45 s 2/2=2.35
