chi square and analysis of variance 7-9 please thanks 11 Chi-square and Analysis

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chi square and analysis of variance
7-9 please thanks

11 Chi-square and Analysis of Variance Questions 6-10 refer to the sample data in the following table (based on from the data Pew Research Center). Randomly selected subjects were asked about the use of marijuana for medical purposes. Assume that we want to use a 0.05 significance level to test the claim that response to the question is independent of gender. In Favor Oppose Don't Know Men 6 dentify the null and alternative hypotheses corresponding to the stated claim. 7. What distribution is used to test the stated claim (normal, t, F chi-square, uniform)? 8. Is the hypothesis test left-tailed, right-tailed, or two-tailed? 9. Find the number of degrees of freedom and the critical value. Given that the Pevalue for the hypothesis test is 0.836, what do you conclude? Review Exercises 1. Auto Fatalities The table below lists auto fatalities by day of the week for a recent vear (based on data from the Federal Highway Administration). Minitab results are also shown.

Explanation / Answer

#7 Chi-square

#8 Right tailed, Chi square test for independence is always right tailed test.

#9 Number of rows, R=2

Number of columns, C=3

df=(R-1)(C-1)=(2-1)(3-1)=2

Critical value at df=2 and alpha=0.05 is 5.991.

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