### Home > CCA > Chapter 7 > Lesson 7.1.2 > Problem 7-29

7-29.

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?