From a population of cans of coffee marked "12 ounces," a sample of 50 cans was selected and the contents of each can were weighed.The sample revealed a mean of 11.8 ounces with a standard deviation of .5 ounces.
a.
Formulate the hypotheses to test if the mean weight of the population is at least 12 ounces.
b.
Compute the test statistic.
c.
Using the p-value approach, what is your conclusion? Let α = .05.

Question

Quizplus · Accepted Answer

The Answer of From a population of cans of coffee marked "12 ounces," a sample of 50 cans was selected and the contents of each can were weighed.The sample revealed a mean of 11.8 ounces with a standard deviation of .5 ounces.
a.
Formulate the hypotheses to test if the mean weight of the population is at least 12 ounces.
b.
Compute the test statistic.
c.
Using the p-value approach, what is your conclusion? Let α = .05.

From a Population of Cans of Coffee Marked "12 Ounces