Question

3 242 ponts In the bok Busness Researc Mehods (5th ed., Danald R Cooper and C Wiliam Emory discuss studying the relatinship belween an-the-at acdents and smoking. Coper and Emary describe the study as follws Suppose a manager implementing a smoke-free workplace policy is interested in whether smoking afects worker accidents. Since the company has complete repons of on-the-job accidents, she draws a sample of names of workers who were involved in accidents during the last year. A similar sample from among workors who had no reportod accldents in the last yoar is drawn. She imerews members of both groups to detemine if thoy are smokers or not. The sample resulls are ghen in the following lable On-tha-Job Accident No Row Total Smaken Yea 17 13 31 Column total 32 Expected counts are below observed counts Heavy 824 Moderate 70 921 Nonamaken 30 14.55 Total Chi-Sa-3.41, DE-2 P.Vaue-0 182 - (a) For each row and column total in the above table, ind the corresponding rowoolumn percentage. (Round your answers too 2 decimal places.) Row Row 2 Columo t Column 2

Answer 1

a)

from given data , dividing each row and total values with 66:

below are row and column percentages:

Row 1 =25.76%

Row 2 =28.79%

Row 3 =45.45%

Column 1=51.52%

Column 2=48.48%