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1. Repeat the results from the sign test using the normal approximation. Compare the results with those obtained using the exact test.
2. In given Table, weights for two time periods on the same adults and weight loss were evaluated. Note that the tests requested here and in given Problem have smaller than recommended sample sizes to make it simpler to do with a hand calculator.
Table
Problem Perform a Wilcoxon rank sum test on the following data on the length of time that it took to perform two types of operations. For type 1, six patients were operated on in 45,47,50,53,58, and 62 minutes. In the second type of operation it took 51, 56, 60, 63, 64, 69, and 70 minutes. Use the normal approximation.
Employees what is the mean and standard deviation for the expected number of employees making more than $70,000 per year #question.
Are these data consistent with the hypothesis that the distributions of the number of visitors for the three days are identical?
consider the following. give your answers correct to two decimal places.a find the standard score z such that the area
If the power plant of this city has a daily capacity of 12 million kilowatt hours what is the probability that this power supply will be inadequate on any given day.
Unfortunately, it is nearly impossible to split a candy bar exactly in half since the break point is effectively random. Let X be the weight of your part and Y be the weight of your friends part. What is the correlation between X and Y?
Find the probability that a patient truly did not have appendicitis given that the radiological determination was definite appendicitis (DA). Find the probability that a patient truly did not have appendicitis given that the radiological determin..
guests arrive at random at a party and the host seats them as they arrive successively one at a time around a large
your manager who just read an abridged version of a statistics book wants you to test hypotheses for the difference in
Create a mock SPSS data set. Create a data file in SPSS and enter the data presented in the table located in section 3.5 of chapter 3 in your textbook. Save this SPSS data file
Find the mean and standard deviation of the point spread (Steelers points minus their opponent's points) in the Steelers game.
two airlines are randomly sampled to compare the porportion of on-time flights. out of 300 flights 73 of the flights at
The following regression line shows how the monthly return for the mutual fund TWCUX (Twentieth Century Ultra Fund) is mathematically related to the S&P500 monthly return.
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