The function f(x) = −400x2 + 1,400x + 5,000 models the predicted units sold of a cellphone model after x months of sales. Use the table showing actual and predicted sales to find the residuals for the model. Drag the numbers to complete the tab

Select the correct answer. employee earnings per month($) 1 1,200 2 2,600 3 1,800 4 1,450 5 3,500 6 2,800 7 12,500 8 3,200 which measure of spread is best for the data in the table? a. range b. quartiles c. interquartile range d. mean absolute deviation