____________encompasses the irregular changes in a time series that are not caused by any other component. Select one: a. Random variation b. Long-term trend c. Cyclical effect d. Seasonal effect

Respuesta :

Answer:

Answer is A.

Random Variation.

Explanation:

Random variation could be fluctuations caused by unknown components amounting in a steady but random distribution of output on the average of the data. It could be a measure of the process potential, it cold also be how well the process can perform when special causes of the variation is removed.