Assuming a linear trend, use the tabular method to derive values for: the slope the intercept  Forecast period 6

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter13: Regression And Forecasting Models
Section13.7: Exponential Smoothing Models
Problem 29P: The file P13_29.xlsx contains monthly time series data for total U.S. retail sales of building...
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  1. The number of students enrolled in Spring Valley Elementary school has been steadily increasing over the past five years. The School Board would like to forecast enrolment

for years 6 and 7 in order to better plan capacity. The past five years enrolment is indicated in table 3:

Table 3

Year

Enrollment

1

220

2

245

3

256

4

289

5

310

 Assuming a linear trend, use the tabular method to derive values for:

  1. the slope
  2. the intercept 
  3. Forecast period 6 
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