Problem: The ABC Floral Shop sold the following number of geraniums during the last 2 weeks:
Day Demand
1 200
2 134
3 157
4 165
5 177
6 125
7 146
8 150
9 182
10 197
11 136
12 163
13 157
14 169
Develop a spreadsheet to answer the following questions.
Q1. Calculate a forecast of the above demand using a 3- and 5-period moving average.
Q2. Graph these forecasts and the original data using Excel. What does the graph show?
Q3. Which of the above forecasts is best? Why?