Use Excel to Calculate MAD, MSE, RMSE & MAPE

To optimize your forecast, whether moving average, exponential smoothing or another form of a forecast, you need to calculate and evaluate MAD, MSE, RMSE, and MAPE. With Excel 2016, this is easy to do. View the video here:...

What’s so difficult about confidence intervals

  Interpretation of Confidence Interval I admit that it is almost common usage to say that a parameter of interest lies in the confidence interval we construct around a sample statistic, so I won’t count off for that answer. But the most accurate meaning of...