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Should the hypothesis of equal population mean

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Table gives the miles per gallon for 4 different octanes of gasoline for 5 days. Assume that the miles per gallon for each octane is normally distributed with equal variance. Should the hypothesis of equal population means be accepted or rejected at the 5% level of significance?

Table 5.35 Miles per Gallon with 4 Types of Gasoline for  5 Days

Type 1

Type 2

Type 3

Type 4

12

12

16

17

11

14

14

15

12

13

15

17

13

15

13

16

11

14

14

18

 

Reference no: EM13891546

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