tcrit > t stat yesr refect You are interested in the relationship, if any, between reward and gender on the productivity of your employees. To test your suspicion that the variables are independent, you divide 100 employees into two groups of 50 males and 50 females. After each member of either group is rewarded, you record their change in productivity with the following results: Productivity Decreases No change Increases Males 30 15 5 Females 20 15 15 (Use for 25-27) 25. What is the critical value at the .05 level of significance? 1pt 26. What is the test statistic? 4 pts 27. At an .05 level of significance, does the data indicate that the variables are dependent or independent? 1 pt Use the following to solve for the appropriate test statistics for 24 and 25. ER1 = 125 ER2 = 46 n= 18 ED = 9 n1=10 n2= 8 ED2 = 62 28. Individuals were measured to determine if pain scores would decrease after receiving a new drug and then a placebo. 2.5pts 29. Individuals were compared on overall affection ratings having watched romantic movies versus the control group watching a news documentary. 2.5pts