A Nutrition Study Measured How Many Helpings of Vegetables Each

question 35

Multiple Choice

A nutrition study measured how many helpings of vegetables each of 125 grade school children were served each week during a school year and their body mass index (BMI) scores. Which variable would one put on the horizontal axis of a scatterplot of the data?

• A) One would put the BMI score because it is the response variable.
• B) One would put the BMI score because it is the explanatory variable.
• C) One would put helpings of vegetables because it is the response variable.
• D) One would put helpings of vegetables because it is the explanatory variable.
• E) It makes no difference because there is no explanatory-response distinction in this study.