Sue took a test in both biology and math last week. The biology test had a mean of 70 and a standard deviation of 7, whereas the math test had a mean of 75 and a standard deviation of 10 . Sue scored 76 on the biology test and 76 on the math test. In which test did she do better in comparison with the rest of the class?

Which of the following is the most accurate description of ethics?

a. Ethics are easy to implement at the organizational level as best illustrated at Enron Corporation. b. Ethics look at past personal traumas. c. Ethics is common sense that informs us as to whether our actions are right or wrong. d. Ethics is the study of moral values that guide our behaviour. e. Ethics help us do the "right" thing.

A primary effect of sleep deprivation in humans is

A) psychosis. B) overeating and weight gain. C) perceptual distortions. D) secretion of stress hormones. E) depression.