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

Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.