IP 6: C Take a Test Gabrielle Bur X Home Chegg.com C https:// /Student/PlayerTe

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IP 6: C Take a Test Gabrielle Bur X Home Chegg.com C https:// /Student/PlayerTe aspx 124658652 www.mathxl.com EE Apps UF University of Florida:... D UF Registrar UF University of Florida:... UF www.honors.ufl.edu D myUFL University of Florida... D STARS College por... Agenda C l Ev... UF University of Florida:.. High School Codes i MyMathLab Gabrielle Burch 2/28/16 8:55 AM Quiz: Chapter 12 Review Quiz Submit Quiz This Quiz: 10 pts possible This Question: 1 pt 6 of 10 (0 complete B Total ight g q a. Find the expected frequency for each cell 40 50 65 75 b. Compute XSTAT Is it significant at 0.005? Total 50 75 25 Click the icon to view the critical values of x table. Total 50 75 25 Type integers or decimals.) b. Let 1t1 be the proportion of all events of interest in A, and let K2 be the proportion of all events of interest in B. Determine the hypotheses. Choose the correct answer below. O A. Ho O B. Ho O C. Ho O D. Ho What is the value of the test statistic? XSTAT L (Round to three decimal places as needed.) What is the critical value? (Round to three decimal places as needed.) Is this value significant at o 0.005? Y. because the test statistic is Y the critical value. The null hypothesis should Click to select your answer(s) 2/28/2016

Explanation / Answer

Option d is right.

The chi-square statistic is 55.5556. The p-value is < .00001. The result is significant at p < .005.

Results A B Row Totals 1 40  (20.00)  [20.00] 10  (30.00)  [13.33] 50 2 10  (30.00)  [13.33] 65  (45.00)  [8.89] 75 Column Totals 50 75 125  (Grand Total)

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