Using the time series data in the table, respond to the following items. Period Sales 1 $ 615 2 678 3 761 4 710 5 784 6 801 7 852 8 698 9 1,193 10 1,115 11 1,231 12 1,259 13 1,495 14 1,229 15 1,652 16...

Using the time series data in the table, respond to the following items.

d-1. Compute all possible forecasts using a trend forecasting model using simple linear regression?(Round your answers to 3 decimal places.)

d-2. What is the MAD?(Round your answer to 3 decimal places.)

d-3. What is the trend equation based on the regression analysis?(Round your answers to 3 decimal places.)

e. What is the predicted annual change of industry sales?(Round your answer to 3 decimal places.)

f. Predict sales for the next three periods.(Round your answer to 3 decimal places.)