loa , Hos N 1 = NX Hair, * Na a = 0.05 degree of freedom = 266 OfTotal = of , + off = 133 +133 = 266 00 Critical value for the a tailed test is to = 1096 9 for a-tailed test a = 0.05 R = 1.969 ) degree of freedom = 266 " Test Statistics * 1 - * * + = nith, " t ( it + 1 ) + = 6903- 706 ( 134 - 1) 20 68 40562 + (134-1) 20 5715 18# 134 + 134 - 2 + = - 4.0481 4 1 = 4 . 048 > te = 1.969 So null hypothesis is rejected as well since P 20, 0001 20.05 we reject null hypothesis Do null hypothesis Ho is rejected because there is enough evidence to prove that N, is different than No