Question: Bus and subway ridership during summer months is believed to be heavily tied to the number of tourists visiting a city. During the past twelve years, the following data have been collected:

Year Number of Tourists Ridership

(1,000,000s) (100,000s)

1 7 15

2 2 10

3 6 13

4 4 15

5 14 25

6 15 27

7 16 24

8 12 20

9 14 27

10 20 44

11 15 34

12 7 17

1. Plot these data and determine whether a linear model is reasonable.
2. Develop a regression model
3. What is expected ridership of 10 million tourists visit the city?
4. If there are no tourists at all, explain the predicted ridership?

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Solution: The downloadable solution consists of 3 pages
Deliverable: Word Document