Question: QUESTION 3 For this question, use the data to obtain a least squares fit that relates selling price (dependent variable) to taxes paid (independent variable).
QUESTION 3
For this question, use the data to obtain a least squares fit that relates selling price (dependent variable) to taxes paid (independent variable).
What is the estimate of thevalue of the y-intercept? Round your answer to four significant digits.
| Sale Price/1000 | Taxes/1000 |
| 25.9 | 4.9176 |
| 29.5 | 5.0208 |
| 27.9 | 4.5429 |
| 25.9 | 4.5573 |
| 29.9 | 5.0597 |
| 29.9 | 3.891 |
| 30.9 | 5.898 |
| 28.9 | 5.6039 |
| 35.9 | 5.8282 |
| 31.5 | 5.3003 |
| 31 | 6.2712 |
| 30.9 | 5.9592 |
| 30 | 5.05 |
| 36.9 | 8.2464 |
| 41.9 | 6.6969 |
| 40.5 | 7.7841 |
| 43.9 | 9.0384 |
| 37.5 | 5.9894 |
| 37.9 | 7.5422 |
| 44.5 | 8.7951 |
| 37.9 | 6.0831 |
| 38.9 | 8.3607 |
| 36.9 | 8.14 |
| 45.8 | 9.1416 |
QUESTION 4
For your regression line for the data above, what is the estimate of thevalue of the slope? Round your answer to three significant digits.
QUESTION 5
What is the estimate of2? Round your answer to three significant digits.
QUESTION 6
What is the mean selling price given that the taxes paid are x=7.50? Round your answer to four significant digits.
QUESTION 7
When x=5.8980, what is the residual? Round your answer to three significant digits.
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