David recently purchased a Valve Steam Deck and wants to know if the average purchase price of the games he is playing h

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David recently purchased a Valve Steam Deck and wants to know ifthe average purchase price of the games he is playing has changedsince he bought it. He recorded the purchase price of games in theprovided data file. a) Perform a parametric test to answer thisquestion at the 𝛼 = 0.08 significance level. Assume all conditionsare satisfied and do not check assumptions. State the test that youare using. b) Construct the 92% parametric confidence interval. c)Perform a non-parametric test to answer this question. d) Constructthe 92% confidence interval estimate using a percentile interval(non-parametric approach). e) What are the conditions of theparametric approach you used? Which test and confidence intervalwould you report to David to answer his question and why (i.e.,should you have used the parametric or non-parametricapproach)?