A researcher studies the relationship between SAT scores, the test taker's family income (Income) and hisher grade point average (GPA). Data are collected from 24 students. She estimates the folowing model: (You may find it useful to reference the Etable) Click here for the Excel Data File e-1. Estimate: SAT = + Income + PA (Round your answers to 4 decimal places.) Predicted SAT3= Income+ GPA a-3. Calculate the value of the test statistic. (Round your answer to 3 decimal places.) Test statistic -1. Predict SAT If Income is $80,000 and GPA is 35 (Round final answers to 2 decimal pleces.) Predicted SAT c-2. If Income is $80,000 and GPA is 3.5. Construct a 95% prediction interval for the individual SAT score. (Round finel answer to 2 decimal pleces.) Prediction interval to

MATLAB: An Introduction with Applications
6th Edition
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Author:Amos Gilat
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Question
SAT
lincome
GPA
1651
47000
2.79
1581
34000
2.97
1790
90000
3.48
1626
60000
2.5
1754
113000
2.92
1754
71000
3.76
1706
105000
2.8
1765
59000
3.26
1786
50000
3.89
1686
27000
3.67
1790
107000
3.31
1707
109000
3.16
4 1804
81000
3.73
5 1712
5 1607
62000
3.21
72000
2.8
7 1738
63000
3.7
8 1790
55000
3.86
9 1796
64000
3.91
01547
47000
2.63
1 1692
89000
2.98
2 1711
42000
3.45
3 1689
70000
3.06
4 1740
118000
2.88
5 1940
113000
3.96
27
Transcribed Image Text:SAT lincome GPA 1651 47000 2.79 1581 34000 2.97 1790 90000 3.48 1626 60000 2.5 1754 113000 2.92 1754 71000 3.76 1706 105000 2.8 1765 59000 3.26 1786 50000 3.89 1686 27000 3.67 1790 107000 3.31 1707 109000 3.16 4 1804 81000 3.73 5 1712 5 1607 62000 3.21 72000 2.8 7 1738 63000 3.7 8 1790 55000 3.86 9 1796 64000 3.91 01547 47000 2.63 1 1692 89000 2.98 2 1711 42000 3.45 3 1689 70000 3.06 4 1740 118000 2.88 5 1940 113000 3.96 27
A researcher studies the relationship between SAT scores, the test-taker's family incorne (Income)., and his/her grade point average
(GPA). Data are collected from 24 students. She estimates the following model: (You may find it useful to reference the Etable.)
Click here for the Excel Data File
a-1. Estimate: SAT = dg + 6Income + GPA . (Round your answers to 4 decimel places.)
Predicted SAT -
Income+
GPA
a-3. Calculate the value of the test statistic. (Round your answer to 3 decimal places.)
Test statistic
c-1. Predict SAT If Income is $80,000 and GPA is 3.5. (Round final answers to 2 decimal pleces.)
Predicted SAT
c-2. If Income is $80,000 and GPA is 3.5. Construct a 95% prediction interval for the individual SAT score. (Round finel answer to 2
decimal pleces.)
Prediction interval
to
Transcribed Image Text:A researcher studies the relationship between SAT scores, the test-taker's family incorne (Income)., and his/her grade point average (GPA). Data are collected from 24 students. She estimates the following model: (You may find it useful to reference the Etable.) Click here for the Excel Data File a-1. Estimate: SAT = dg + 6Income + GPA . (Round your answers to 4 decimel places.) Predicted SAT - Income+ GPA a-3. Calculate the value of the test statistic. (Round your answer to 3 decimal places.) Test statistic c-1. Predict SAT If Income is $80,000 and GPA is 3.5. (Round final answers to 2 decimal pleces.) Predicted SAT c-2. If Income is $80,000 and GPA is 3.5. Construct a 95% prediction interval for the individual SAT score. (Round finel answer to 2 decimal pleces.) Prediction interval to
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