Tablets sales for a firm over the last 9 weeks are shown in the table. You need to: 1) Plot the data, and visually check to see if a linear trend line would be appropriate. 2) Determine the equation of the trend line. 3) Predict sales for weeks 10 and 11 Tablets sales for a firm over the last 9 weeks are shown in the table. You need to: 1) Plot the data, and visually check to see if a linear trend line would be appropriate. 2) Determine the equation of the trend line. 3) Predict sales for weeks 10 and 11