Does General Mills make more than 25% of the cereal manufactured in the United States?

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ANSWER ALL QUESTIONS

Assignment #5

Note: Adjust the data per 1 cup before answering questions.

1. Construct a 95% confidence interval for the average sodium (or any variable from calories to potassium) content of all cereal made by any two manufacturers. Interpret the CI. Is one brand better than the other in terms of sodium (any variable you selected) content? Draw the histogram or steam-leaf plot for sodium content for both manufacturers. Compare both graphs and draw the inference.

2. There has been speculation that breakfast cereal manufacturers add more sugar to cereals targeted at children than adults. Do children's cereal contain more than on average 8 grams of sugar which are targeted to the Children? How about adults?

3. Does a cup of cereal contain less than on average 4 grams of fiber?

4. Does General Mills make more than 25% of the cereal manufactured in the United States?

For questions 2 to 4 simply report the results by comparing p-value with 0.05 level.

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