Question: (Hand et al., 1994) report on a study by (Lea, 1965) that investi-gated the relationship between mean annual temperature (degrees F) in regions of Britain, Norway, and Sweden, and the rate of mortality from a type of breast cancer in women. The data appear in (datasets/breast .dat).

1. Plot the data. Does it appear that the relationship can be adequately modeled by a linear function?
2. Estimate the regression line and add this to your plot.
3. Calculate and interpret R2.
4. Calculate and interpret the standard error of estimate.
5. Interpret the estimated slope coefficient in terms of mortality and temperature.
6. Find a 95% confidence interval on the population slope coefficient.
7. Find a 95% prediction interval for a region having mean annual temperature 45.
8. One of these 16 data points is unusual compared to the others. Describe how.

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