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A random sample was selected to determine whether the gas fuel cost different between east side...

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Question

Basic Math

A random sample was selected to determine whether the gas fuelcost different between east side (consider as 1) and west side(consider as 2). Given α=0.05. The data are summarized below:

East Side West Side Difference

Average2.90/gal                                      2.99/gal                                      -0.09/gal

Count12                                                    12 12

Standard deviation0.81                                                 0.95                                         0.38

(d) Is there sufficient evidence to indicate that the gas fuelcost different between east side and west side?

Group of answer choices

Yes

No

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