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MINITAB Assignment 4: Confidence Intervals and Hypothesis Testing

Solved MINITAB assignment on confidence intervals and hypothesis testing.

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MINITAB Assignment4Fall2015Make sure you so the following:1.Have your name on the document in the left hand corner2.Put STAT100 under your name3.PutMINITAB Assignment 4centered on the page4.Number and letter the answers accordingly5.Copy andpaste all generated graphics into your paper.6.Use complete and coherent sentences to answer the questions.7.Upload your MINITAB assignment on ELMS before the due date and time otherwise it isconsidered late.Please use yourname_MINITAB_4 as thefilename.For example:schimiak_MINITAB_4 or suechimiak_MINITAB_2 (make sure you save your document on yourcomputer or email it to yourself)1.The heights were recorded for aSimple Random Sample of 270 freshmen.The mean of thissample was 66.5 inches.The heights are known to be Normally Distributed with a populationstandard deviation of 5.1 inches.Round answers to one decimal place.(You do not need a dataset forthis problem.)a.From thesimple random sample of270freshmen heights:i.Calculate the96%ConfidenceIntervalforthepopulation meanheightofafreshman.Interpret the confidence interval.UseMINITABto compute theconfidence interval.(Copy and paste theMINITABoutputfoundin theSessionwindowafter your answer.)The 96%Confidence Interval for the population mean height of a freshman is {65.863,67.137}. That means we are 96% confidentthat the population mean height of afreshman is within the interval {65.863, 67.137}.ii.Calculate the87%ConfidenceIntervalforthepopulation meanheight ofafreshman.Interpret the confidence interval.Use MINITAB to compute theconfidence interval.(Copy and paste the MINITABoutputfound in the Sessionwindow after your answer.)

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