Bb Module 6: Chi-Square and X IP Take a Test Gabrielle Bur X CHome l Chegg.com x

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Bb Module 6: Chi-Square and X IP Take a Test Gabrielle Bur X CHome l Chegg.com x C https:// /Student/PlayerTe aspx 124658652 www.mathxl.com Apps UF University of Florida D UF Registrar UF University of Florida:... UF www.honors.ufl.edu D myUFL C University of Florida... D STARS College Por... Agenda creator l Ev... UF University of Florida: High School Codes i My Math Labs Gabrielle Burch 2/28/16 8:56 AM Quiz: Chapter 12 Review Quiz Submit Quiz This Quiz: 10 pts possible This Question: 1 pt 9 of 10 (0 complete Use the following contingency table to complete (a) and (b) below. C Total 25 60 90 35 45 55 35 Total 40 70 T15 225 Click the icon to view the table of critical values of Chi-Square distributions. a. Compute the expected frequencies for each cell. Type integers or decimals.) b. Compute XSTAT Is it significant at 0.025? Set up the null and alternative hypotheses to test. Choose the correct answer below. O A. H O B. Ho: Not all ti are equal (where j 1, 2) H1: Not all t are equal (where j 1, 2) O C. Ho: NA O D. Ho: Not all ti are equal (where j A, B C) H1: Not all ti are equal (where j A, B, C) Compute XSTAT XSTAT L (Round to three decimal places as needed.) Click to select your answer(s) 9:57 AM 2/28/2016

Explanation / Answer

Option C

Chi square = 20.2413

=20.241

Results A B C Row Totals 1 5  (16.00)  [7.56] 25  (28.00)  [0.32] 60  (46.00)  [4.26] 90 2 35  (24.00)  [5.04] 45  (42.00)  [0.21] 55  (69.00)  [2.84] 135 Column Totals 40 70 115 225  (Grand Total)

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