A Study Recorded the Body Mass Index (BMI) of a Simple

Multiple Choice

A study recorded the body mass index (BMI) of a simple random sample of 200 American men and 200 American women. Individuals with a BMI greater than 30 are considered obese. To estimate the difference in the percentage of individuals who are obese among American men and American women, which inference procedure should you use?

A) One-sample z procedure for a proportion
B) Two-sample z procedure for proportions
C) One-sample or matched pairs z or t procedure for a mean
D) Two-sample z or t procedure for means