The linear function y = 13x - 7 represents the amount of money that a fish merchant makes from selling x pounds of salmon. which statement is true? (a.) the merchant sells salmon for $13 per pound. (b.) the merchant sells salmon for $7 a pound. (c.) the merchant makes $6 for each pound of salmon he sells. (d.) the merchant makes $7 for each pound of salmon he sells.

Researchers are conducting experiments to determine the role of alcohol in the development of depression. after the study is complete, they determine that the relative risk of developing depression is 1.55 with a 95 % ci of 1.2 -1.9. each group is then divided into nonsmokers and smokers. the relative risk for the nonsmokers is 1.12 with a 95% ci of 0.87-1.37. the relative risk for the smokers is 1.7 with a 95 % cl of 1.5-1.9. what type of bias may affect this study? a. procedure bias b. recall bias c. selection bias d. confounding e. lead-time bias