Table below gives the number of kilometers to a liter obtained by similar cars using 5 different brands of gasoline. Test at the 0.05 level of significance whether there is significant difference in brands    Brand Kilometers A 21   20   22   20   29   25  30   B 25   24   28   26  29  32   C 20    25   29  32   D 27   24   23   28   26   E 30   25   21   24   22   25  27  30

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