Moving to another question will save this response. K Question 13 of 20 Question

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Moving to another question will save this response. K Question 13 of 20 Question 13 1 points Save Answo In a study of binge drinking among undergraduates at Ohio University, a researcher was interested in gender differences as related to binge drinking and to drinking-related arrests. She wanted to know two things: (a) Is there a significant relationship between gender and binge drinking (as defined by 5 or more drinks at one sitting), and (b) Is there a significant relationship between gender and drinking-related arrests? A random sample of males and females were asked about their experiences with binge drinking and with drinking-related arrests. Test for a relationship in the folowing data: Use the numbers below for this question only Experience Alcohol-related Arrest? YES NO 40 26 21 35 Male Female What is the calculated chi-squared value? Moving to another question will save this response. KR? Question 13 of 20

Explanation / Answer

here applying chi square test:

13)

calculated chi square =6.47

14)

as calculate chi square is greater than critical value therefore relationship is significant

Yes

Observed Oi Yes No Total Male 40 26 66 Female 21 35 56 Total 61 61 122 Expected Ei=?row*?column/?total Yes No Total Male 33.000 33.000 66 Female 28.000 28.000 56 Total 61 61 122 chi square =(Oi-Ei)2/Ei Yes No Total Male 1.485 1.485 2.970 Female 1.750 1.750 3.500 Total 3.235 3.235 6.470

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