Question
Hi can you please help me find the claim??? and can you check my answer thanks...
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
AVOTSIKVID G474404778 O SCRIMLS CIGUINI ercig M227 Lizett polo Name: cw(9.3) Use the traditional method of hypothesis testing to test the given claim about the means of twb populations. Assume that two dependent samples have been randomly selected from normally distributed populations. 1) Five students took a math test before and after tutoring. Their scores were as follows. Subject ABCDE Before 77 69 66 72 69 After 81 78 64 75 81 Using a 0.01 level of significance, test the claim that the tutoring if effective on the math scores. 1) claim = a,=az-y cA se lor 2 7) No to sufficient evident support the claim 2) Hoia, az 3) Hii an> A2 4) 7 =-2. Būm DE=4 ool 3.741 fail to. Beject Ho CASE house before 2).
Answers
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.
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