A researcher conducted a study of the relation between income and

     A   researcher conducted a study of the relation between income and generosity.   The researcher observed the amount of money given to a panhandler and the   wealth of the person asked (wealth was measured by a rating of the clothing   worn). The results for the first four people observed were as follows:      Wealth of Giver Dollars Given   4 0   6 1   8 3   2 0         a. Make a Scatter Diagram of   the raw scores.   b. Describe in words the   general pattern of association, if any.   c. Figure the correlation   coefficient.   d. Figure whether the   correlation is statistically significant (use the .05 significance level,   two-tailed).    

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