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April 20, 2014

April 20, 2014

Posted by **lazar** on Wednesday, June 17, 2009 at 2:20pm.

Types of Gasoline Distance (miles)

Car A Car B Car C

Regular 22.4 20.8 21.5

Super regular 17.0 19.4 20.7

Unleaded 19.2 20.2 21.2

Premium unleaded 20.3 18.6 20.4

Using the .05 level of significance:

a. Is there a difference among types of gasoline?

b. Is there a difference in the cars?

- statistics -
**SraJMcGin**, Wednesday, June 17, 2009 at 5:11pmIf you thought you were doing a "cut and paste" it will not work here. You must type everything out.

Sra

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