Building Contracts. The values of Alabama building contracts (in millions of dollars) for a 12-month period are as follows:
240, 350, 230, 260, 280, 320, 220, 310, 240, 310, 240, 230
Find the estimate formonth 13 using the following methods. Use 4 decimals.
Use data values as given, do not include the millions. For example, the first data value is 240. Do not type 240000000.
3WMA (weights: 1,2,4) :
4MA:
4WMA (weights: 1,2,3,4) :
Exponential Sm. (alpha = 0.2):
Exponential Sm. (alpha = 0.4):
Exponential Sm. (alpha = 0.6):