### Home > CC3MN > Chapter 8 > Lesson 8.2.3 > Problem8-97

8-97.

Athletes in the Middle Plains School District regularly receive personal advising on their nutrition. Coaches wondered if the nutritional advising was having an impact, so they divided athletes into two groups. One group received advice and one group did not. After six months, they collected the following data:

# OF ATHLETES

Regularly Ate a
Balanced Breakfast

$46$

$39$

Often Did Not Eat a
Balanced Breakfast

$89$

$73$

1. Which is the independent variable?

What were the two groups in the study?
Which variable, if changed, had an effect on the outcome of the study?