Given the following historical data, what is the simple three-period moving average forecast for period 5?
period value
1 73
2 68
3 65
4 72

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.