a. Prepare a time series plot for the total home sales. Describe what you see in this plot in terms of trend and seasonality. b. Calculate and plot the first 12 Autocorrelations coefficients for home sales. What does this autocorrelation structure suggest about the a. Prepare a time series plot for the total home sales. Describe what you see in this plot in terms of trend and seasonality. b. Calculate and plot the first 12 Autocorrelations coefficients for home sales. What does this autocorrelation structure suggest about the