Stats HW Problem 11.15

# Stats HW Problem 11.15 - Group 2 0.59 Group 3 0.67...

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Jason Sigal Stats 072 HW Problem 11.15 Chi-Square Test Observed Frequencies Organization Calculations Object to Sharing? Pharmacies Total fo-fe Yes 820 590 670 330 710 480 560 No 180 410 330 920 -126.67 103.33 23.33 Total 1000 1000 1000 3000 Expected Frequencies Organization Object to Sharing? Insurance Companies Pharmacies Total (fo-fe)^2/fe Yes 110 110 110 330 4582.73 2094.55 2850.91 No 306.67 306.67 306.67 920 52.32 34.82 1.78 Total 416.67 416.67 416.67 1250 Data Level of Significance 0.05 Number of Rows 2 Number of Columns 3 Degrees of Freedom 2 Results Critical Value 5.99 Chi-Square Test Statistic 9617.09 0 Reject the null hypothesis Expected frequency assumption is met. Marascuilo Procdedure Level of Significance 0.05 Square Root of Critical Value 2.45 Sample Proportions Group 1 0.82

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Unformatted text preview: Group 2 0.59 Group 3 0.67 MARASCUILO TABLE Proportions Absolute DifferencesCritical Range | Group 1 - Group 2 | 0.23 0.05 Significant | Group 1 - Group 3 | 0.15 0.05 Significant | Group 2 - Group 3 | 0.08 0.05 Significant Insurance Companies Medical Researchers Medical Researchers p-Value Marascuilo Procdedure Level of Significance 0.05 Square Root of Critical Value 2.45 Sample Proportions Group 1 0.82 Group 2 0.59 Group 3 0.67 MARASCUILO TABLE Proportions Absolute DifferencesCritical Range | Group 1 - Group 2 | 0.23 0.05 Significant | Group 1 - Group 3 | 0.15 0.05 Significant | Group 2 - Group 3 | 0.08 0.05 Significant...
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## This homework help was uploaded on 03/30/2008 for the course STATS 072 taught by Professor Judd during the Spring '08 term at Drake University .

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Stats HW Problem 11.15 - Group 2 0.59 Group 3 0.67...

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