The values of Alabama building contracts (in $ millions) for a 12-month period follow XXXXXXXXXX XXXXXXXXXX 240 230a. Construct a time series plot. What type of pattern exists in the data?b. Compare...

The values of Alabama building contracts (in $ millions) for a 12-month period follow.240 350 230 260 280 320 220 310 240 310 240 230a. Construct a time series plot. What type of pattern exists in the data?b. Compare the three-month moving average approach with the exponential smoothingforecast using a  .2. Which provides more accurate forecasts based on MSE?c. What is the forecast for the next month?