%). Assume that you are interested in whether or not expenditures per pupil are related to the average performance of pupils on a standardized basic skills examination. expenditures per pupil average performance 70 110 150 190 220 180 170 200 90 150 100 130 120 160 150 180 110 150 170 210 190 220 SUMMARY OUTPUT Regression Statistics Multiple R 0,84 R Square 0,71 Adjusted R Square 0,68 Standard Error 19,28 Observations 11 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 83,08 19,43 4,28 0,00 39,12 127,04 expenditures per pupil 0,63 0,13 4,74 0,00 0,33 0,93 What is the percent of variation in the deposits made accounted for by the linear regression of the deposit made on the number of customers? Find coefficient of correlation and interpret it. Provide an interpretation for the slope of the estimated regression equation.
%). Assume that you are interested in whether or not expenditures per pupil are related to the average performance of pupils on a standardized basic skills examination. expenditures per pupil average performance 70 110 150 190 220 180 170 200 90 150 100 130 120 160 150 180 110 150 170 210 190 220 SUMMARY OUTPUT Regression Statistics Multiple R 0,84 R Square 0,71 Adjusted R Square 0,68 Standard Error 19,28 Observations 11 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 83,08 19,43 4,28 0,00 39,12 127,04 expenditures per pupil 0,63 0,13 4,74 0,00 0,33 0,93 What is the percent of variation in the deposits made accounted for by the linear regression of the deposit made on the number of customers? Find coefficient of correlation and interpret it. Provide an interpretation for the slope of the estimated regression equation.
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter5: A Survey Of Other Common Functions
Section5.3: Modeling Data With Power Functions
Problem 6E: Urban Travel Times Population of cities and driving times are related, as shown in the accompanying...
Related questions
Question
%). Assume that you are interested in whether or not expenditures per pupil are related to the average performance of pupils on a standardized basic skills examination.
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expenditures per pupil |
average performance |
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70 |
110 |
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150 |
190 |
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220 |
180 |
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170 |
200 |
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90 |
150 |
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100 |
130 |
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120 |
160 |
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150 |
180 |
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110 |
150 |
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170 |
210 |
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190 |
220 |
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SUMMARY OUTPUT |
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Regression Statistics |
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Multiple R |
0,84 |
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R Square |
0,71 |
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Adjusted R Square |
0,68 |
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Standard Error |
19,28 |
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Observations |
11 |
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Coefficients |
Standard Error |
t Stat |
P-value |
Lower 95% |
Upper 95% |
|
Intercept |
83,08 |
19,43 |
4,28 |
0,00 |
39,12 |
127,04 |
|
expenditures per pupil |
0,63 |
0,13 |
4,74 |
0,00 |
0,33 |
0,93 |
- What is the percent of variation in the deposits made accounted for by the linear regression of the deposit made on the number of customers?
- Find coefficient of
correlation and interpret it. - Provide an interpretation for the slope of the estimated regression equation.
- Is the slope b1 statistically significant? Use a = 0.01. Why or why not?
- Does the intercept make sense for these data? Why or why not?
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