For adults, a person with a BMI of over ___ is classified as overweight, and a person with a BMI over ____ is obese

According to the National Surveys on Family Growth, which of the following is true of 15-19 year olds in the U. S. who report engaging in sexual intercourse over the last two decades?

A) Males report higher rates compared to females. B) Females report higher rates compared to males. C) Males and females report exactly the same rate in every sample. D) Many more males than females refused to answer this question.

A bell-shaped distribution, with a large number of scores in the middle, tapering to very few extremely high and low scores is known as a

a. normal curve. b. positive skew. c. negative skew. d. histogram.