A physical education teacher at a high school wanting to increase awareness on issues of nutrition and
Question:
A physical education teacher at a high school wanting to increase awareness on issues of nutrition and health asked her students at the beginning of the semester whether they believed the expression "an apple a day keeps the doctor away", and 40% of the students responded yes. Throughout the semester she started each class with a brief discussion of a study highlighting positive effects of eating more fruits and vegetables. She conducted the same apple-a-day survey at the end of the semester, and this time 60% of the students responded yes. Can she used a two-proportion method from this section for this analysis? Explain your reasoning.
Step by Step Answer:
OpenIntro Statistics
ISBN: 9781943450077
4th Edition
Authors: David Diez, Mine Çetinkaya-Rundel, Christopher Barr