Question: Readability of Harry Potter Refer to Data Set 14 in Appendix B and use the values for S. K. Rowling's Harry Potter and the Sorcerer's Stone.

1. Find the regression equation that expresses the dependent variable of Flesch Reading Ease score in terms of the independent variable of the words per sentence.
2. Find the regression equation that expresses the dependent variable of Flesch Reading Ease score in terms of the independent variable of the characters per word.
3. Find the regression equation that expresses the dependent variable of Flesch Reading Ease score in terms of the independent variables of the words per sentence and characters per word.
4. For the regression equations found in parts (a), (b), and (c), which is the best equation for predicting the Flesch Reading Ease score? Why?
5. Is the best regression equation identified in part (d) a good equation for predicting a Flesch Reading Ease score? Why or why not?

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