Suppose the data shown here are the results of a survey to investigate gas prices. Ten...

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Statistics

Suppose the data shown here are the results of a survey toinvestigate gas prices. Ten service stations were randomly selectedin each city and the figures represent the prices of a litre ofunleaded regular gas. What can we tell about the relative price ofgas in the two cities?

City 1:

1.029
1.02
1.017
1.002
0.996
1.017
1.014
1.014
1.014
0.983

City 2:

0.999
1.026
1.017
1.008
0.99
1.038
1.017
1.032
1.011
1.014

Design a test to determine if there is a difference in mean gasprices in the two cities use alpha = .01

Answer & Explanation Solved by verified expert
4.0 Ratings (404 Votes)
By simply looking at the prices nothing can be inferred so    See Answer
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