(Solved): 11. C\&C cola wishes to ensure that an average of 12 ounces of cola is used to fill each can. In or ...

11. C\&C cola wishes to ensure that an average of 12 ounces of cola is used to fill each can. In order to analyze the accuracy of the filling process, eight six packs ( 48 cans) is taken off the canning line. The sample yields a sample mean of 11.70 ounces and a sample standard deviation of 0.5 ounce. a. State the null and alternative hypothesis b. Do you need to make any assumptions regarding the population for testing? c. Calculate the value of the test statistic d. At $?=.05$, what is the conclusion of your test? Make a recommendation to the manager of C\& C Cola. Draw the t distribution with the rejection region and critical values to help you out.