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).   What is the value of the X2 statistic?  Use a 0.05 significance level to test the claim of independence between texting while driving and irregular seat belt use. Are those two risky behaviors independent of each other? Calculate the chi-square manually or using Excel.

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A: given data, n=800p^=0.748claim:p=0.79α=0.01

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Q: Female     Male Rarely or never use seat belt 206 323 Uses seat belt 1220 1157

A: Given,   Female Male Rarely or never use seat belt 206 323 Uses seat belt 1220 1157

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Q: Texting and Seat Belt Use In a study of high school students at least 16 years of age, researchers…

A: The claim is to test whether texting while driving is independent of irregular seat belt usage.If…

Q: tman Research Group survey of 900 TV households, 74.8% of them had at least one In or example, Smart…

A: Given that  Sample size n=900 Sample proportion p^=0.748

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A: H0 :  gender is independent of seat belt usage H1 :  gender is dependent of seat belt usage…

Q: . Test that claim using a .01  significance level. Use the​ P-value method. Use the normal…

A: Given that Sample size n = 1100 Sample proportion = 75.1% = 0.751 Level of significance = 0.01

Q: Using a 0.05 significance​ level, test the claim that injuries are independent of helmet color.

A: A​ case-control (or​ retrospective) study was conducted to investigate a relationship between the…

Q: In a Leichtman Research Group survey of 1000 TV households, 74.5% of them had at least one…

A: Givensample proportion(p^)=0.745sample size(n)=1000significance level(α)=0.05

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Q: What is the P value?

A: We have given that  p0=39/(32+39)=0.5493 α=0.05

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A: We have given that  p0=39/(39+32)=0.5492

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A: Given :

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