A production line for a popular soft drink operates with a mean filling weight of 16 ounces per co
Question: A production line for a popular soft drink operates with a mean filling weight of 16 ounces
per container. Overfilling or underfilling presents a serious problem and, when detected,
requires the operator to shut down the production line in order to readjust the filling
mechanism. From historical data, a population standard deviation of 0.8 ounces is assumed
for the individual containers. A quality control inspector selects a sample of 36 items at
regular intervals. Afterward, this individual makes the decision of whether or not to shut
down the line for readjustment. Suppose that a particular selection of 36 containers results
in a sample mean of 16.32 ounces. The company uses a level of significance of 0.05.
(a) Formulate the appropriate null and alternative hypotheses.
(b) Provide the critical value(s) and clearly present the rejection and nonrejection regions.
(c) Compute the value of the appropriate test statistic.
(d) Combine your results in (b) and (c) to make a decision. I’d like you to provide a graphic representation of your results. Also, state specifically what your decision is. Provide the mathematical reason for making this decision.
(e) At the 5% level of significance, what is your conclusion about the need to readjust?
(f) Calculate the p-value(s). Make the appropriate comparison. Then, make a decision.
Deliverables: Word Document
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