MATH 534 Week 6 Course Project, Part B - Hypothesis Testing and Confidence Intervals

Part B: Hypothesis Testing and ConfidenceIntervals Completethefollowingfourhypotheses,usingα=0.05foreach.Theweek5spreadsheetcanbeusedintheseanalyses. ▪ 1.Meansalesperweekexceed42.5persalesperson ▪ 2.Proportionreceivingonlinetrainingislessthan 55% ▪ 3Meancallsmadeamongthosewithnotraining isatleast 145 ▪ 4.Meantime percallis14.7minutes • Using the same data set from part A, perform the hypothesis test for each speculation inordertoseeifthereisevidencetosupportthemanager'sbelief.UsetheEightStepsofaTestofHypothesis from Section 9.1 of your text book as a guide. You can use either the p-value or thecritical values to draw conclusions. Be sure to explain your conclusion and interpret that to theclaim in simpleterms • Compute 99% confidence intervals for the variables used in each hypothesis test, andinterpret theseintervals. • Write a report about the results, distilling down the results in a way that would beunderstandable to someone who does not know statistics. Clear explanations and interpretationsare critical. • AllDeVryUniversitypoliciesareineffect,includingtheplagiarismpolicy. • ProjectPartBreportisduebytheendofWeek6. • ProjectPartBisworth100totalpoints.Seegradingrubricbelow. Formatforreport: A. SummaryReport (aboutoneparagraphoneach ofthefourspeculations) B. Appendix with the calculations of the Eight Elements of a Test of Hypothesis, the p-values, and the confidence intervals. Include the Excel formulas or spreadsheet screen shotsusedinthecalculations. PartB:GradingRubric Category Points % Description Addressingeachspeculation —20pointseach 80 points 80% Hypothesis test, interpretation, confidenceinterval,andinterpretation Summaryreportclarity 20 points 20% Oneparagraphoneachofthe speculations Category Points % Description Total 100 points 100% Aqualitypaperwillmeetorexceedalloftheaboverequirements.