### Home > CC4 > Chapter 5 > Lesson 5.2.3 > Problem5-81

5-81.

Scientists hypothesized that dietary fiber would impact the blood cholesterol level of college students. They collected data and found $r=-0.45$ with a scattered residual plot. Interpret the scientists’ findings in context. Homework Help ✎

Look at the Math Notes box in Lesson 6.2.4 to refresh your memory about correlation coefficients ($r$).
What does a negative $r$ value mean? How does that definition apply to this situation?