Module 6: Chi square and x IP Take a Test Gabrielle Bur X CHome l Chegg.com x C

Question

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 8:57 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. O D. Ho: Not all ti are equal (where j A, B C) O C. Ho: NA H1: Not all are equal (where j A, B, C compute XSTAT XSTAT L (Round to three decimal places as needed.) Find the critical value Round to three decimal places as needed.) XSTAT significant at 0.025? O A. No, because XSTAT is greater than the critical value. O D. Yes, because XSTAT is less than or equal to the critical value. O C. Yes, because XSTAT is greater than the critical value O D. No, because XSTAT is less than or equal to the critical value. Click to select your answer(s) 9:57 AM 2/28/2016

Explanation / Answer

you're dealing with dependent variables; red, independent.

chi square = 20.2413

chi square is significant at 0.05

Option C

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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