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To test whether the mean amount of air pressure is same for air pumps produced by 3 manufacturers, a party consultant employs the three pumps to blow up 4 different balloons. The times needed to fill the balloons are below.

Manufacturer A	Manufacturer B	Manufacturer C
25	25	25
28	24	26
29	28	27
28	27	26

Employ the data to test whether the population means for the air pressure for pumps differ for the three manufacturers. Employ a = 0.10. Show all five steps of hypothesis testing process. Points will be deducted for missing parts; however, this might be done by using the calculator functions. (State which calculator menus were used.)

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M921048

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