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Home > CCA > Chapter 7 > Lesson 7.1.2 > Problem 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?