Use the following to answer question 1.
The researchers conducting this study wish to estimate the winnings when the average
number of putts per hole is 1.75. The following results were obtained from software.
Predicted winnings
Standard error
95.0% C.I.
95.0% P.I.
653.6
61.62
(530.6, 776.6)
(77.7, 1229.4)
1. The researchers wish to estimate the winnings for a tour pro whose average number of
putts per hole is 1.75, what would be a 95% prediction interval for the winnings?
A) (77.7, 1229.4)
B) (530.6, 776.6)
C) 653.6 ± 61.62
D) 653.6 ± 123.24
Use the following to answer question 2.
The data referred to in this question were collected on 41 employees of a large company.
The company is trying to predict the current salary of its employees from their
starting salary (both expressed in thousands of dollars). The regression output is
given below as well as some summary measures
2. John Doe works for this company. He started with a salary of $15,300. Predict his
current salary.
A) $28,750
B) $30,610
C) $32,640
D) $32,885)
3. What is a 95% confidence interval for the slope
β
1
?
A) (–0.875, –0.167)
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 Spring '07
 Lv
 Business, Regression Analysis, following results

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