A machine that fills beverage cans is supposed to put 12 ounces of beverage in each can.

Following are the amounts measured in a simple random sample of eight cans.

a. Following is a dotplot for these data. Is it reasonable to assume that the conditions for performing a hypothesis test are satisfied? Explain.

b. If appropriate, perform a hypothesis test to determine whether the mean volume differs from 12 ounces.
Use the α = 0.05 level of significance. What do you conclude?

Transcribed Image Text:

11.96 12.10 12.04 12.13 11.98 12.05 11.91 12.03