Ed wants to know if students did significantly better on a test the second time they took it. Which test of statistical significance should Ed use?

Joanne's mother has arched feet, and her father has flat feet. Joanne will probably have

A) arched feet. B) flat feet. C) large feet. D) can't determine.

On weekends, 16-year-old Clanton likes to hunt, ride his motorcycle, and play drums in his local rock band

His doctor told him that he has damaged the hair cells in his ears. Which of the following types of hearing loss does Clanton NOT have? a. noise-induced hearing loss b. sensorineural hearing loss c. the Hunter's notch d. conductive hearing loss