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Suppose the gender of the first 4 patients in a study to compare treatments A and B are F, M, M, F. Use the minimization method of Pocock and Simon to assign treatments for these four patients. Assume the first patient is assigned treatment A, and whenever there is a tie in marginal discrepancy, the next patient is assigned treatment A. Use w0 = 2 and w1 = 1. Show all you work.
Suppose that data is recorded for equal period of "before"-"after" time. Use 1% level for risk. Given processed data, explain what John must do.
Richard is one of test takers. Find out the number of questions he can expect to get right on test by random guessing.
What is the proportion of people surveyed that rated the subway system from 3 to 4. What is the proportion of people surveyed rated the Subway System from 1 to 3.
Find out the mean, median and mode for the given data
What is the probability that more than 265 will be relieved of the nasal condition?
The regression equation is Y = 29.29 - 0.96X, the sample size is 8, and the standard error of the slope is 0.22. What is the critical value to test the significance of the slope at the 0.01 significance level?
Identify the independent and dependent variables, and Construct a nominal, ordinal, and interval level measure for each independent and dependent variable.
The mean assembly time for a random sample of 24 carts, using the new method, was 40.6 minutes, and the standard deviation of the sample was 2.7 minutes.
A sample proportion is calculated from a sample size of 394. How large of a sample would we need in order to decrease the standard error by a factor of 9?
Hypothesis testing of single mean - can we conclude that the mean weight is greater than 16 ounces? Determine the p -value.
Intersection of two mutually exclusive events: can be any value between 0 to 1, must always be equal to 1.
The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.30 Inches and a standard deviation of 0.01 inches.
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