Question: 4.10 Changing the correlation. Use your calculator or software to demonstrate how outliers can affect correlation. (a) What is the correlation between lean body mass

4.10 Changing the correlation. Use your calculator or software to demonstrate how outliers can affect correlation.

(a) What is the correlation between lean body mass and metabolic fate for the 12 women in Exercise 4.3?

(b) Make a scatterplot of the data with two new points added. Point A: mass 65 kilo grams, metabolic rate 1761 calories. Point B: mass 35 kilograms, metabolic rate 1400 calories. Find two new correlations: one for the original data plus Point A, and an other for the original data plus Point B.

(c) By looking at your plot, explain why adding Point A makes the correlation stronger

(closer to 1) and adding Point B makes the correlation weaker (closer to 0).

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