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Statistics One way Anova - unequal observations- One Factor

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The table below gives the number of miles to the gallon obtained by similar automobiles using 5 different brands of gasoline. Test at the (a) 0.05 level (b) 0.01 level of significance whether there is any significant difference in brands.

Brand Miles

Brand A 12 15 14 11 15

Brand B 14 12 15

Brand C 11 12 10 14

Brand D 15 18 16 17 14

Brand E 10 12 14 12

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The solution to one way Anova problem using unequal observations is given step by step with explanation so that the student could use this solution as a model solution to solve other problems of the same type.

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Mean of brand A = 13.4
Mean of brand B = 13.667
Mean of brand C = 11.75
Mean of brand D = 16
Mean of brand E = 12
SSA = ...

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