Aggregate Forecasts Are Usually More Accurate Than Disaggregate Forecasts Because

question 20

Multiple Choice

Aggregate forecasts are usually more accurate than disaggregate forecasts because

• A) aggregate forecasts tend to have a larger standard deviation of error relative to the mean.
• B) aggregate forecasts tend to have a smaller standard deviation of error relative to the mean.
• C) disaggregate forecasts tend to have a smaller standard deviation of error relative to the mean.
• D) disaggregate forecasts tend to have less standard deviation of error relative to the mean.
• E) none of the above

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Definitions:

Axon

The long, slender projection of a neuron that conducts electrical impulses away from the neuron's cell body towards other neurons or muscles.

Myelin Sheath

A layer of fatty tissue surrounding the axons of some neurons that speeds up the transmission of electrical impulses.

Insulation

Material or substance used to prevent heat, sound, or electricity from escaping or entering.

Axons

Long, slender projections of nerve cells that transmit electrical impulses away from the neuron's body to other neurons, muscles, or glands.