Long-Term Forecasts Are Usually Less Accurate Than Short-Term Forecasts Because

Multiple Choice

Long-term forecasts are usually less accurate than short-term forecasts because

A) short-term forecasts have a larger standard deviation of error relative to the mean than long-term forecasts.
B) short-term forecasts have more standard deviation of error relative to the mean than long-term forecasts.
C) long-term forecasts have a smaller standard deviation of error relative to the mean than short-term forecasts.
D) long-term forecasts have a larger standard deviation of error relative to the mean than short-term forecasts.
E) none of the above