Statistics- A machine that fills beverage cans is supposed to put 12 ounces

| September 9, 2016

Question
4. A machine that fills beverage cans is supposed to

put 12 ounces of beverage in each can. The variance

of the amount in each can is 0.01. The machine is

moved to a new location. To determine whether the

variance has changed, 10 cans are filled. Following

are the amounts in the 10 cans. Assume them to be a

random sample from a normal population.

12.18 11.77 12.09 12.03 11.87

11.96 12.03 12.36 12.28 11.85

Perform a hypothesis test to determine whether

the variance differs from 0.01. What do you

conclude?

Navidi, William (2014-01-24). Statistics for Engineers and Scientists (Page 478). McGraw-Hill Higher Education. Kindle Edition.

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