Ms. Belk made this box and whisker plot after a quiz she gave. Which statement is

NOT true about the data in the plot?

(answer choices)

A. the interquartile range is 20

B. the upper extreme is 95

C. the lower quartile is 65

D. the median score is 75
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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