IV. The number of plumbing repair jobs performed by Augur’sPlumbing Service in each of the last nine months is listedbelow.
Month            Jobs   Â
August           353
September      367
October          372
November      387
December       396
January           409
February         399
March             412
April               428
- Assuming a linear trend function, forecast the number of repairjobs Augur’s will perform in May using the trend (least squares)method.
- What is your forecast for May using a three-period weightedmoving average in which the weights are .6, .3 and .1?
- Which method, a or b, gives the better forecast? Explainwhy.
