Essay
A regression model was developed relating average annual pay to the percentage of women employed for a sample of companies. Below is the plot of residuals versus predicted values. 
a. What can you see in the plot of residuals that may not have been clear in the original scatterplot of the data?
b. Would a re-expression of the data help? If so, what would you recommend?
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a. The residuals show that the plot thic...View Answer
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