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Year 5 years ago 4 years ago 3 years ago 2 years ago Last year Enrollments 15,000 16,000 18,000 20,000 21,000

108.

The president of State University wants to forecast student enrollments for this academic year based on the following historical data:


1.png

What is the forecast for this year using the least squares trend line for these data? 

 

A. 

18,750

 

B. 

19,500

 

C. 

21,000

 

D. 

22,650

 

E. 

22,800

Treat 5 years ago as period 0..........I don't know why the answer is E ?

can you please explain?

1.png

Year 5 years ago
4 years ago
3 years ago
2 years ago
Last year Enrollments
15,000 16,000 18,000
20,000 21,000

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