Find an example of a confidence interval in the news, scholarly source or medical journal. Explain what the confidence interval means in context of the news article or scholarly source. How do you think the confidence interval that was presented in the study was calculated? Have your paper written by a certified professional online college homework help writer to produce only high-quality essays with zero plagiarism. You can now choose from a pool of online college homework help writers.
6-3 Discussion: Confidence Intervals feedback
confidence intervals assignment - Smart Homework Help
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confidence intervals assignment
The total number of snack pieces in the six bags was A random survey of enrollment at 35 community colleges across the United States yielded the following figures: 6,; 1,; 2,; 9,; 21,; 4,; 5,; 5,; 2,; 2,; 5,; 5,; 5,; 2,; 10,; 6,; 27,; 9,; 7,; 3,; 17,; 9,; 7,; 18,; 6,; 13,; 17,; 7,; 2,; 2,; 1,; 7,; 28,; 5,; 11, Assume the underlying population is normal.
During an election year, we see articles in the newspaper that state confidence intervals in terms of proportions or percentages. Investors in the stock market are interested in the true proportion of stocks that go up and down each week. Businesses that sell personal computers are interested in the proportion of households in the United States that own personal computers. Confidence intervals can be calculated for the true proportion of stocks that go up or down each week and for the true proportion of households in the United States that own personal computers.