Question

9.4 Exercises to test the following claims allow the sie siep approach to lopothesis testing fausing the Assume that Ơiando,are unknown and Nor assumed equal randomly selected customers in New York and Massachusetts are The mean monthly credit card given in the table below. I credit cand balances for customers in balances for gh evidence to suggest that there is a difference in the mean monthly is there enou New York Massachusetts :90 $3,895 s,$850 ,$3,720 s, $675 Siee S: Identify the given values in symbolic form. Sten 2: Mentify the claim and write the null bypothesis (H.)and alternative hypothesis (H) Remember: Hy must contain equality.) Claim: HA Step #3: Calculate the test statistic Answer:_ Step #4: Ideatify the critieal region/rejection region (RR). Critical Value: Rejection Region (RR): Step #5: Determine if the test statistie falls in the rejection region. (Remember: If it does, then "Reject Ho". If it does NOT then "Fail to reject Ho") Step #6: State your conclusion. Answer 370 02017 Mathematical Expressions, All Rights Reserved

Answer 1