Question

hi can you please help me find the claim??? and can you check my answer thanks

Hotca. cw(9.3) Name: Lizethet aditional method of hypothesis testing to test the given claim about the means of two populations. Assume that dent samples have been randomly selected from normally distributed populations. Five students took a math test before and after tutoring. Their scores were as follows. Subject ABCDE Refore 77 69 66 72 69 which one At 1987 or smallest That 3.3 Greater than 1055 that Equalto . More than equal to less than Equato hin 3 or 4 3 or 4 low2 10 2 -10 2 3 0 h CASE THO Tail right left lett right is Two Tus

Answer 1

let - X; before Y after teaching marks teching macks. Die Yi - Xi VIS H ett to Hos lla=0 Hi! eldzo. Subject X 77 3 69 66 72 A Y 81 78 81 Diz Yi-xi D'2 -4 16 T - 2 4 19 -12 0 64 0 75 - 3 0 69 181 104 - 26 254 6= {Di - 26 2-5.2 Sd ²= Epi? _ no2 = 254 - SX(-5.2) 2 5-1 Sd² = 29.7 Ida test 5.4498 Statistic tren D N tona) st/50 tcal = -2 .13. -5.2 5:4498/Is 220.01 2. to traitical = tente a tu co.01) = 8.78.

Itcall - 2.13 , tesiticul = 3.75 It call <toritical we may accept Ho significance. cet 1 al level of There that is not tutoring sufficient evidance to conclude is effentive on math.