In a study of high school students at least 16 years of age, researchers obtained the survey results summarized in the table below (based on data from “Texting While Driving and Other Risk Motor Vehicle Behaviors Among U.S. High School Students” by O’Malley, Shults, and Eaton, Pediatrics, Vol. 131, No.6). State the null and alternative hypotheses. Assuming independence, what are the expected frequencies for each of these variables? What is the value of the X2 statistic?
In a study of high school students at least 16 years of age, researchers obtained the survey results summarized in the table below (based on data from “Texting While Driving and Other Risk Motor Vehicle Behaviors Among U.S. High School Students” by O’Malley, Shults, and Eaton, Pediatrics, Vol. 131, No.6). State the null and alternative hypotheses. Assuming independence, what are the expected frequencies for each of these variables? What is the value of the X2 statistic?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter0: Preparing For Algebra
Section0.11: Simple Probability And Odds
Problem 22E
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In a study of high school students at least 16 years of age, researchers obtained the survey results summarized in the table below (based on data from “Texting While Driving and Other Risk Motor Vehicle Behaviors Among U.S. High School Students” by O’Malley, Shults, and Eaton, Pediatrics, Vol. 131, No.6).
State the null and alternative hypotheses.
Assuming independence, what are the expected frequencies for each of these variables?
What is the value of the X2 statistic?
Transcribed Image Text:Irregular Seat Belt Use?
Yes
No
Texted While Driving
1737
2048
Did not Text While
1945
2775
Driving
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