Question: (10 pts) Again refer to the AmesHouses data.

1. What is the best fit for the intercept and slope of the Sale Price per bedroom? Is the sign of this slope in the direction you expected?
2. What is a 95% confidence interval for the slope?
3. Based on your answer to (b), at α=5%, is there a statistically significant relationship between the Number of Bedrooms and the Sale Price?
4. What is the predicted Sale Price for a four bedroom house? Create a 95% confidence interval for the mean Sale Price for a four bedroom house.
5. Create a 95% prediction interval for the mean Sale Price for a four bedroom house. How many of the four bedroom houses in the data set have Sale Prices outside the 95% prediction interval?

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Solution: The downloadable solution consists of 8 pages
Deliverable: Word Document