Question: Use the Body Fat data set with response variable PCTBF and explanatory variable Chest to answer the following questions: (a) Create and summarize a scatterplot

Use the Body Fat data set with response variable PCTBF and explanatory variable Chest to answer the following questions:

(a) Create and summarize a scatterplot of PCTBF versus Chest.

(b) Compute the correlation coefficient for PCTBF and Chest.

(c) Fit the least squares regression line relating PCTBF to Chest.

(d) Predict the PCTBF value when Chest=100.

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