Apply your knowledge about hypothesis testing in this Digital Case, which continues the cereal-fill-packaging dispute first discussed in the Digital Case from Chapter 7.
In response to the negative statements made by the Concerned Consumers About Cereal Cheaters (CCACC) in the Chapter 7 Digital Case, Oxford Cereals recently conducted an experiment concerning cereal packaging. The company claims that the results of the experiment refute the CCACC allegations that Oxford Cereals has been cheating consumers by packaging cereals at less than labeled weights.
Open OxfordCurrentNews.pdf, a portfolio of current news releases from Oxford Cereals. review the relevant press releases and supporting documents. Then answer the following questions:
1. Are the results of the experiment valid? Why or why not?
If you were conducting the experiment, is there anything you would change?
2. Do the results support the claim that Oxford Cereals is not cheating its customers?
3. Is the claim of the Oxford Cereals CEO that many cereal boxes contain more than 368 grams surprising? Is it true?
4. Could there ever be a circumstance in which the results of the Oxford Cereals experiment and the CCACC’s results are both correct? Explain.