A number has the same digit in it’s hundreds place and it’s hundredths place. How many times greater is the value of the digit in the hundreds place in the value of the digits in the hundredths place.
A.) 100,000 B.) 10,000 C.) 1,000. D.)100

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