Question 879426
a. t = {{{(16-13)/sqrt(0.9/40+ 1.4/60)}}} = 14.01
b. p-value = 2*P(t> 14.01 when df = 98) = 2*tcdf(14.01,100,98) = 2*(basically o)
c.  0 < .05
d. reject Ho that means are equal