The table and scatter plot show the time spent watching TV, x, and the time spent doing homework, y, by each of 11 students last week. The equation of the line of best fit is y=-0.3x+ 20.51. Time spent Time spent doing homework, y (in hours) watching TV, x 32 (in hours) 28+ 6.0 19.62 24 6.8 16.73 Time spent doing homework 20 8.3 21.04 (in hours ) 161 x x X 10.5 18.90 12 10.7 15.49 12.1 15.50 13.3 15.51 15.1 19.00 10 12 14 16 18 16.4 16.48 Time spent watching TV (in hours ) 18.1 17.50 20.5 13.30 Use the equation of the line of best fit to fill in the blanks below. Give exact answers, not rounded approximations. Time spent watching TV (in hours) Observed time spent Predicted time spent doing homework (in hours) Residual doing homework (in hours) (in hours) 15.1 18.1

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