Sales of storage bins at Bud’s Discount Store over the past eight years are shown below. Year Unit Sales

Sales of storage bins at Bud’s Discount Store over the past eight years are shown below.

Year	Unit Sales
1	100
2	93
3	96
4	110
5	124
6	119
7	92
8	101

Find the forecast and the MAPE for year 9 using:

a 3-year moving average.
a 3-year weighted moving average with weights of .6 (most recent), .3, and .1.
Exponential smoothing with an alpha of .75 and a starting forecast for year 1 of 90.
The naive method.

b) Which forecasting method is preferable using MAPE?

First Elementary school is trying to forecast the need for kindergarten teachers for the next 2 years. The school has data on births and enrollments for the past 10 years. The enrollments lag the births by 5 years.

Year	Births	Enrollments
1	131	161
2	192	127
3	158	134
4	93	141
5	107	112
6	130	148
7	128	188
8	124	155
9	97	110
10	147	124

Forecast the kindergarten enrollments for the next 2 years using births as the independent variable, given the following data from the past 10 years.
What is the correlation coefficient? Do you consider it to be significant?
Explain the value of r-squared as it pertains to this model.

Price: $6.91

Solution: The downloadable solution consists of 4 pages, 291 words.
Deliverable: Word Document