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STAT 3001 Week 5 Project: The Chi-Square Test

This assignment includes Chi-Square test solutions for STAT 3001 Week 5 project.

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Week 5 ProjectSTAT 3001Week 5 Project: The Chi-Square TestChi-Square Goodness-of-Fit Test (equal frequencies)Four different brands of a pain medication used for chronic back ailments were tested to see ifthe number of side effects for eachbrand were the same. The table lists the results of the reportednumber of side effects for each brand of pain medication.Brand ABrand BBrand CBrand D231713111)Use the Chi-Square Goodness-of-Fit test to see if there is a difference between thenumber of sideeffects from the different brands of medication. Set the significance levelto .01. Describe thenecessary Statdisk stepsEnter the dataClick on analysisSelect the proper column and enter the significancelevelEvaluate.The obtained output is given below,NumCategories:4Degreesoffreedom:3ExpectedFreq:16TestStatistic,X^2:5.2500CriticalX^2:11.34488P-Value:0.15442)List the test statistics, p-value and whether to accept or reject the null hypothesis.TestStatistic,X^2:5.2500CriticalX^2:11.34488P-Value:0.1544As the p-value is larger than the significance level so do not reject the null hypothesis.3)State in your own words what the results of the hypothesis test is telling us.

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Document Details

University
Walden University
Course
STAT 3001
Subject
Statistics

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