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.
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 = _________...
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 ĝ=0.937x+29.820. Find the coefficient of determination and interpret the result Money raised, 4586 6592 739.6 789.2 798.1 1033.7 962.8 1207.8 Money spent, y 4423 695 2 7253 761.9 739.5 1020.5 934 1 1150.1 Find the coefficient of determination and interpret the result (Round to three decimal places as needed.)
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 9 -0.957x + 15.099. Find the coefficient of determination and interpret the result. 4 Money raised, 465.1 Money spent y 443.5 Find the coefficient of determination and interpret the result 655.1 6963 735.8 725.4 798.4 7613 780.8 727.9 1038 3 1016.6 9552 9293 12096 11728 (Round to three decimal...
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 y = 0.942x + 31.252. Find the coefficient of determination and interpret the result. Money raised, x 451.8 T 657.4 T726.1 1 789.5 789.5 1787.6 787.6 T 1036. 6 1036. 6 9 56.5 9 56.5 1213.4 1213.4 Money spent, y 4382 675.9 747.5 768.2 726.6 L 1018.2 949.5 1158.5...
Complete parts (a) through (h) for the data below. x- 40, 50, 60, 70, 80 y-62, 58, 55, 47, 33 B) Find the equation of the line containing the points (50, 58) and (80, 33) y=__x+(__) D) By hand, determine the least-squares regression line The equation of the least-squares regression line is given by ModifyingAbove y with caret equals b 1 x plus b 0y=b1x+b0 where b1 equals r times StartFraction s Subscript y Over s Subscript x EndFractionb1=r•sysx is...
The following data represent the commute time (in minutes) x and a score on a well-being survey y. The equation of the least-squares regression line is ModifyingAbove y with caret equals negative 0.0487 x plus 70.1284y=−0.0487x+70.1284 and the standard error of the estimate is 0.52940.5294. Complete parts (a) through (e) below. x 2525 3535 4545 5555 7070 9292 125125 y 69.069.0 68.668.6 67.567.5 67.367.3 66.566.5 66.666.6 63.663.6 (a) Predict the mean well-being index composite score of all individuals whose commute...
The table shows the avrage wookly wages (n dollars) for state govemment eplnyeesand deral govemment employees for 8 yeans. The equation of the regression line is y 1.479x-78 874 Complete parts (a) and (b) below Weekly Wages ( 794 (a) Find the coefficient of deteemination and intepret the resu Round to three decimal places as needed. How can the ooefficient of determination be interpreted? The coeficient of deseminasion is the fraction ol the variation in average weekly wages for he...
The table shows the average weekly wages (in dollars) for state government employees and federal government employees for 8 years. The equation of the regression line is y = 1.402x-12.106. Complete parts (a) and (b) below. 766 Average Weekly Wages (state), x Average Weekly Wages (federal), y 745 995 794 1111 802 1140 842 1207 887 1244 932 1276 951 1303 1048 (a) Find the coefficient of determination and interpret the result. 2 = 0.944 (Round to three decimal places...
An engineer wants to determine how the weight of a gas-powered car, x, affects gas mileage, y. The accompanying data represent the weights of various domestic cars and their miles per gallon in the city for the most recent model year. Complete parts (a) through (d) below. LOADING... Click here to view the weight and gas mileage data. (a) Find the least-squares regression line treating weight as the explanatory variable and miles per gallon as the response variable. ModifyingAbove y...
Question Help The number of initial public offerings of stock issued in a 10-year period and the total proceeds of these offerings (in millions) are shown in the table. the regression line is y 49.320x+18,137.78. Complete parts a and b The equation of Issues, x 417 460 675 476 500 379 57 58 183 153 Proceeds, 19,397 28,839 44,374 31,495 65,843 66.251 21,418 10,392 31.152 27,834 (a) Find the coefficient of determination and interpret the result (Round to three decimal...