Question:Your answer is currently being processed. Your answer has been flagged as copyright infringement. Please review our honor code and submit a new answer. Your answer has been flagged as plagiarism. Please review our honor code and submit a new answer.AMS communicates with customers who subscribe to cable television services through a special secured emailed system that sends messages about service changes, new features, and billing information to in-home digital set-top boxes for later display. To enhance customer service, the operations department established the business objective of reducing the amount of time to fully update each subscriber’s set of messages. The department selected two candidate messaging systems and conducted an experiment in which 30 randomly chosen cable subscribers were assigned one of the two systems (15 assigned to each system). Update times were measured, and the results are organized and stored inAMS-email-interfaces.xlsx. Assume both samples have equal s.d.To help AMS investigate whetherthere is a difference between update times of Email Interface 1 and Email Interface 2, set up a hypothesis test:Which between the following two hypothesis tests is more appropriate for this case?Step 1: We let ?1 denote the mean upload time of Email Interface 1 and ?2 be that of Email Interface 2. State the null hypothesis and the alternate hypothesisContinue from question 2,Step 2: Select the level of significance.Let’s assume ? = .05Step 3: Select the test statistic and use either Excel or MINITAB to run the test that you decided for question 1. The test statistic is found to be (Please round and keep two decimals)continue from question 3,Step 4: Formulate the decision rule: reject H0 ifContinue from question 4,the p-value is found to be (Please round and keep three decimals) (Hint: for students who use Excel, your output may provide two p-values. Think about whether this is one-tail or two-tail test before picking the correct p-value to report.)
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