Questions 7,8

if w'Queson 7 rid the sample test statistic, t, for the following situation (assume the populations are normally): Claim: [.11 ;= p2; mean of xi = 17.1, $1 = 2.3 n1 = 16 mean of x2='19.6, 52 =18 n2 = 12 0- t a 2.137 Q t = 26,124 0 121397 , Q t=~3.226 )1 QuestionB I..___________________H_i , . . o_ -7 ;_,=.,:77_ ,_ Find the test statistic, F, for the following situation {assume the populations are normally distributed): Claim: (1'12 55 (722:. .. 51 =3.21. Sf 4-12. n1 = 22. and \"2 '= 1951 =23; 52$ 5-7 a = 0-05 Q 0&0? [3 1.9811 :3 0.381 (:3 4.521