Determine the correlation between price and pages

Reference no: EM131404900

The following table lists the number of pages and the price for 18 books, sorted in order of increasing number of pages. Ten of the books are hardcover and eight are softcover. (These data are in the dataset Prof Books on the companion website.)

a. Draw a scatterplot of y = price versus x = pages. Use different symbols for hardcover and softcover books.

b. For all 18 books, determine the correlation between price and pages.

c. Separate the books by type. Determine the correlation between price and pages for hardcover books only. Determine the correlation between price and pages for softcover books only.

d. Which of the reasons listed for misleading correlations is illustrated in this exercise?

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Reference no: EM131404900

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