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Unformatted text preview: 4. [5 points] A sketch of the Boxplot(s) for wine consumption and death rate. Do you see any outliers? 5. [5 points] Report the value of r ; the sample correlation coecient. What does it tell you about the relationship between wine consumption and death rate? 6. [5 points] Compute the covariance between wine consumption and death rate. Part 2: Assessing Normality. The le name data.xls contains three sample datasets. 1. [5 points] Use a QQ-plot to determine which of the three samples is coming from a normal distribution. 2. [5 points] Can we use the QQ-plot to determine the mean and standard deviation of the sample that is normally distributed? If yes, report that mean and standard deviation. 1...
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- Spring '08