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The observed cell counts Off from the given contingency table, and estimated expected cell counts Bij are liste Low (0-3 hours) Moderate (4-19 hours) High (20-54 hours) 011 = 23 012 = 34 013 = 4 B12 = 30.5000 Ê13 = 7.2619 022 = 8 023 = 6 Ê, Secure Anxious = 23.2381 021- = 9 Ê₂ = 8.7619 21 22 = 11.5000 23 = 2.7381

The observed cell counts Off from the given contingency table, and estimated expected cell counts Bij are liste Low (0-3 hours) Moderate (4-19 hours) High (20-54 hours) 011 = 23 012 = 34 013 = 4 B12 = 30.5000 Ê13 = 7.2619 022 = 8 023 = 6 Ê, Secure Anxious = 23.2381 021- = 9 Ê₂ = 8.7619 21 22 = 11.5000 23 = 2.7381

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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The observed cell counts O, from the given contingency table, and estimated expected cell counts E, are listed in the table below. . Secure x² = Anxious Low (0-3 hours) 011 = 23 (23-23.2381)2 23.2381 = 23.2381 021 = 9 Ê21 = 8.7619 (011-11)²+(012- - 812)² B12 Now that we have found the estimated expected cell counts, we can calculate the chi-square test statistic X² for the test of independence. Substitute the values of the observed and estimated expected cell counts from the table above into the formula, rounding the final answer to two decimal places. Σ(0-12 +... Moderate (4-19 hours) High (20-54 hours) 013 = 4 Ê13 = 7.2619 30.5000 12 = 34 Ê12 = 30.5000 - 30.5000 00) ² 022 = 8 Ê 22 = 11.5000 (023-823)² 023 = 6 Ê23 = 2.7381 + + (6-())² 2.7381
Transcribed Image Text:The observed cell counts O, from the given contingency table, and estimated expected cell counts E, are listed in the table below. . Secure x² = Anxious Low (0-3 hours) 011 = 23 (23-23.2381)2 23.2381 = 23.2381 021 = 9 Ê21 = 8.7619 (011-11)²+(012- - 812)² B12 Now that we have found the estimated expected cell counts, we can calculate the chi-square test statistic X² for the test of independence. Substitute the values of the observed and estimated expected cell counts from the table above into the formula, rounding the final answer to two decimal places. Σ(0-12 +... Moderate (4-19 hours) High (20-54 hours) 013 = 4 Ê13 = 7.2619 30.5000 12 = 34 Ê12 = 30.5000 - 30.5000 00) ² 022 = 8 Ê 22 = 11.5000 (023-823)² 023 = 6 Ê23 = 2.7381 + + (6-())² 2.7381
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