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Statistics

Using Excel data analysis compute distribution and interpret the result.

The fuel efficiencies for a sample of 27 compact, midsize and large cars are entered into a statistical software package. Examination of variance is used to investigate if there is a difference in the mean mileage of the three cars. Describe what do you conclude? Use the .01 significance level.

 Summary Groups count Sum Average Variance Compact 12 268.3 22.35833 9.388106 Midsize 9 172.4 19.15556 7.315278 Large 6 100.5 16.75 7.303 Anova Source of Variation SS df MS F p-value Between groups 136.4803 2 68.24014 8.258752 0.001866 Within groups 198.3064 24 8.262766 Total 334.7867 26

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M923463

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