Illustration 20.17. The figures given below are (a) the observedfrequencies of a distribution, and (b) the frequencies of the normaldistribution having the same mean, standard deviation and total fre-CS Scanned with CamScanner 220 495 792 924 792 495 222 66 121quency as in (a). Apply the X2-test of goodness of fit.(a) 1 12 66 220 495924792 495 222 66 12 1792(b) 2 15 66210 484 799 943 799 484210 66 15 1CS Scanned with CamScanner

Answered: Image /qna-images/answer/7d032b84-ff67-4609-b857-fd42a9a2c7ac.jpg

Answered: Observe Illustration 20.17. The figures…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 8E

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You are conducting a Goodness of Fit hypothesis test for the claim that the 4 categories occur with the following frequencies: H0H0 : pA=0.4pA=0.4; pB=0.25pB=0.25; pC=0.25pC=0.25; pD=0.1pD=0.1 Give all answers as decimals rounded to 3 places after the decimal point, if necessary. Complete the table: Category ObservedFrequency ExpectedFrequency A 37 B 39 C 39 D 18 What is the chi-square test-statistic for this data?Test Statistic: χ2=χ2= For a significance of level alpha = 0.01, what is the chi-square critical value?Critical Value: χ2=χ2= What would be the decision of this hypothesis test? Fail to reject H0H0 Reject H0H0 Remember to round all answers to 3 places after the decimal point, if necessary.

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Observe Illustration 20.17. The figures given below are (a) the frequencies of a distribution, and (6) the frequencies of the normal distribution having the same mean, standard deviation and total fre-