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Part 1: Identify at least three methods of statistical inference listed in the flowcharts on pages 842-846 of Rosner's Fundamentals of Biostatistics 7th edition. Describe in detail each method and how you could use this method in your discipline. You may not use the same tests indicated in your research proposal. Also, please review your classmates' posts before submitting and identify tests that were not (or least) used in the forum.
Part 2: Select one of the topics below from chapter 13. Identify a peer-reviewed journal article that used this topic. Provide a summary of the topic and how it was used in the article.
a. Attributable riskb. Counfounding and standardizationc. Mantel-Haenszel testd. Power and sample size estimation for stratified categorical datae. Multiple logistic regressionf. Meta-analysisg. Equivalence studiesh. Longitudinal data analysis
You draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck.
A company is filling bags of rock salt to a level of 50 pounds. It believes that all bags are filled correctly, but would like to use a hypothesis test with an alpha of 0.05 to check this belief.
Construct a sample space using a tree diagram - Which of the following three sets of probabilities are inappropriate because they violate a basic rule of probability
A candidate must gather at least 8,000 valid signatures on a petition before the deadline in order to run in an election. One candidate turns in 10,000 signatures right before the deadline
There are many nonparametric tests that have been developed over the years. Explain what nonparametric tests are and why they were developed.
Suppose the p-value for these test is 0.03. Is the difference in percentages at a 5% level? Explain. Suppose the p-value for this test is 0.03. Is the difference in percentages significant at a 1% level? Explain. What is the overall (weighted) sample..
Construct a 90% confidence interval for the standard deviation of the number of hours this firm's employees spend on work-related activities in a typical week.
Let X bar be the average of n such independent measurements. Use Chebychev's inequality to estimate how large n should be such that P(|X bar - M |
We want to test the hypothesis that the population variances are equal.
The Wilcoxon rank sum of the ranks for group and The value of the Wilcoxon signed rank statistic
A summary of data (deposits in thousands of dollars) from the survey is as follows: First National 1 = 4.1, σ1 = 1.2; City National 2 = 3.5, σ2 = 0.9. Use a 98% confidence interval to estimate the difference in the mean weekly deposits into IRAs f..
3 voters are randomly selected (with replacement) from a group of 1,500 people. The group is known to be 20% republican. What is the probability that all of them are republicans?
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