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What is the value of the chi-square test statistic for this test? O x² = 8.79 O x² = 15.89 О x2377.18 O x² = 252.46 %3!

What is the value of the chi-square test statistic for this test? O x² = 8.79 O x² = 15.89 О x2377.18 O x² = 252.46 %3!

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A random sample of 175 students was selected from a large high school. They were each asked their current grade level and whether they have a driver's license. The responses are displayed in the table. Grade Level 9th 10th 11th 12th Yes 1 5 21 48 Driver's License? No 28 42 20 10 The principal would like to know if these data provide convincing evidence of a relationship between grade level and having a driver's license in the population of all students in her school. The random and 10% conditions are met, and this table of expected counts shows that all expected counts are at least 5. Grade Level 9th 10th 11th 12th Yes 12.43 20.14 17.57 24.86 Driver's License? No 16.57 26.86 23.43 33.14 What is the value of the chi-square test statistic for this test?
Transcribed Image Text:A random sample of 175 students was selected from a large high school. They were each asked their current grade level and whether they have a driver's license. The responses are displayed in the table. Grade Level 9th 10th 11th 12th Yes 1 5 21 48 Driver's License? No 28 42 20 10 The principal would like to know if these data provide convincing evidence of a relationship between grade level and having a driver's license in the population of all students in her school. The random and 10% conditions are met, and this table of expected counts shows that all expected counts are at least 5. Grade Level 9th 10th 11th 12th Yes 12.43 20.14 17.57 24.86 Driver's License? No 16.57 26.86 23.43 33.14 What is the value of the chi-square test statistic for this test?
What is the value of the chi-square test statistic for this test? O x? = 8.79 O x? = 15.89 O x2 = 77.18 O x2 = 252.46 %3D
Transcribed Image Text:What is the value of the chi-square test statistic for this test? O x? = 8.79 O x? = 15.89 O x2 = 77.18 O x2 = 252.46 %3D
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