The money raised and spent (both in millions of dollars) by all congressional campaigns for 8...
The money raised and spent (both in millions of dollars) by all congressional campaigns for 8 recent 2-year periods are shown in the table. The equation of the regression line is
ModifyingAbove y with caret = 0.964x+11.568.
Find the coefficient of determination and interpret the result.
|
Money raised, x |
469.8 |
666.6 |
746.9 |
789.1 |
797.9 |
1025.5 |
952.7 |
1207.7 |
|
|
Money spent, y |
449.6 |
698.3 |
738.4 |
757.8 |
743.3 |
1000.6 |
949.8 |
1170.7 |
Find the coefficient of determination and interpret the result.
r2 = _________
(Round to three decimal places as needed.)
How can the coefficient of determination be interpreted?
A.The coefficient of determination is the fraction of the variation in money spent that can be explained by the variation in money raised. The remaining fraction of the variation is unexplained and is due to other factors or to sampling error.
B.The coefficient of determination is the fraction of the variation in money spent that is unexplained and is due to other factors or sampling error. The remaining fraction of the variation is explained by the variation in money raised.
Homework Answers
y = 0.9639x + 11.568
R² = 0.988 upto 3 decimal places
How can the coefficient of determination be interpreted?
A.The coefficient of determination is the fraction of the variation in money spent that can be explained by the variation in money raised. The remaining fraction of the variation is unexplained and is due to other factors or to sampling error.
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The money raised and spent (both in millions of dollars) by
all congressional campaigns for 8...
The money raised and spent (both in millions of dollars) by all congressional campaigns for 8...
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The money raised and spent (both in millions of dollars) by all congressional campaigns for 8 recent 2-year periods are shown in the table. The equation of the regression line is ModifyingAbove y with caret equals 0.936 x plus 37.866y=0.936x+37.866. Complete parts a and b. Money raised, x 452.2452.2 658.8658.8 733.5733.5 777.7777.7 778.7778.7 1028.21028.2 974.6974.6 1219.41219.4 Money spent, y 427.3427.3 689.4689.4 747.7747.7 771.5771.5 744.9744.9 1014.41014.4 947.6947.6 1159.11159.1 (a) Find the coefficient of determination and interpret the result.
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