Creating another array using the same index

1. Go the main diagram of Car cost model.

2. Select 'Fuel cost Module'.

3. Open the key icon.

4. Select 'Miles per gallon'.

5. Open drop down options, select 'Definition'.

6. Open drop down menu, this time select 'Distribution'. {Question box would appear}

7. Press 'OK' button.

8. Indexes window would appear. {Car type would be on 'Selected Indexes' pane, if not; select it}

9. Press 'OK'.

10. On the edit table, select the second cell and type 'Uniform(15,25)

11. Press the check button to accept the change.