Daily demand for newspapers for the last 10 days has been as follows: 12,13,16,15,12,18,14,12,13,15 (listed from oldest to most recent).Forecast sales for the next day using a two-day moving average.
A)14
B)13
C)15
D)28
E)12.5

Question

Quizplus · Accepted Answer

The two-day moving average is calculated by adding the demand for the current day and the previous day, and then dividing by 2. For example, the two-day moving average for day 10 is (13+15)/2 = 14. The forecast sales for the next day is therefore 14.

Daily Demand for Newspapers for the Last 10 Days Has