9) (mean) $46 $29 S (Standard Deviation) $ 9 $ 8 Xi (Number ofstudents who are making >$30,000 annually) $10 $ 9 n (SampleSize) 37 26 a) Is there any evidence of a difference in the averagebetween the two groups? H0 ________H1 ________ Graph_________________________, Critical Value(s) ___________ComputedValue(s) __________ Decision _____________________________ b) Isthere any evidence of a difference in the proportion between thetwo groups? H0 ________H1 ________ Graph _________________________,Critical Value(s) ___________Computed Value(s) __________ Decision_____________________________
