Naïve Method Seasonal Naïve Method Drift Method Which of the following is an assumption made about forecasting residuals? Residuals are normally distributed Residuals are uncorrelated Residuals have constant variance None of the above Which of the following is an assumption made about forecasting residuals? Residuals have mean zero Residuals are normally distributed Residuals have constant variance None of the above Which of the following is useful property of forecasting residuals? Residuals have mean zero Residuals are uncorrelated Residuals have constant variance None of the Which of the following is useful property of forecasting residuals? Residuals are normally distributed Residuals are uncorrelated Residuals have mean zero None of the above What is the consequence of forecasting residuals that are not uncorrelated? Prediction intervals are difficult to calculate Information is left in the residuals that should be used Forecasts are biased None of the above What is the consequence of forecasting residuals that have mean zero? don’t Prediction intervals are difficult to calculate Information is left in the residuals that should be used Forecasts are biased None of the Which measure of forecast accuracy has the formula ? MAE MSE
Naïve Method Seasonal Naïve Method Drift Method Which of the following is an assumption made about forecasting residuals? Residuals are normally distributed Residuals are uncorrelated Residuals have constant variance None of the above Which of the following is an assumption made about forecasting residuals? Residuals have mean zero Residuals are normally distributed Residuals have constant variance None of the above Which of the following is useful property of forecasting residuals? Residuals have mean zero Residuals are uncorrelated Residuals have constant variance None of the Which of the following is useful property of forecasting residuals? Residuals are normally distributed Residuals are uncorrelated Residuals have mean zero None of the above What is the consequence of forecasting residuals that are not uncorrelated? Prediction intervals are difficult to calculate Information is left in the residuals that should be used Forecasts are biased None of the above What is the consequence of forecasting residuals that don’t have mean zero? Prediction intervals are difficult to calculate Information is left in the residuals that should be used Forecasts are biased None of the Which measure of forecast accuracy has the formula ? MAE MSE
TestBank.docx