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Determine the alternative hypothesis.

A researcher wanted to determine if using an octane booster would enhance gasoline mileage. A random sample of seven cars was selected; the cars were driven for two weeks without the booster and two weeks with the booster.

 

Miles / Gal Without

Miles / Gal With

21.2

23.8

25.4

25.6

20.9

22.4

27.6

28.3

22.8

24.5

27.3

28.8

23.4

25.2

 
Status the alternative hypothesis?
a.H1: μD _ 0
b.H1: μD < 0
c.H1: μD = 0
d.H1: μD _ 0

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922089

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