In January, Phil Johnston's newspaper route added two customers who used to subscribe to the evening paper.In February, Phil lost a customer who decided to get his news off the internet.This is an example of:
A)long term trend.
B)seasonal variation.
C)cyclical variation.
D)random effects.

Question

Quizplus · Accepted Answer

This is an example of a random effect, as the addition and loss of customers was not part of a predictable or cyclical pattern.

In January, Phil Johnston's Newspaper Route Added Two Customers Who