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A well-known example of Simpson's paradox, published by Bickel, Hammel, and O'Connell (1975), examined admission rates for men and women who had applied to graduate programs at the University of California at Berkeley. The actual data for specific programs is confidential, so we are using similar, hypothetical numbers. For simplicity, we assume there are only two graduate programs. The figures for acceptance to each program are shown in the following table:
a. Combine the data for the two programs into a single table. What percentage of all men who applied was admitted? What percentage of all women who applied was admitted? Which sex was more successful in the admissions process?
b. What percentage of the men who applied to program A did program A admit? What percentage of the women who applied to program A did program A admit? Repeat the question for program B. Which sex was more successful in getting admitted to program A? Into program B?
c. Explain how this problem is an example of Simpson's paradox. Provide a potential explanation for the observed figures by guessing what type of programs A and B might have been.
The mean time between failures is found to be 322.4 hours for a sample group. assuming that s= 45.0 hours, find the 99% confidence interval for the mean time between failures for all such radios.
Is the distance beyond or before the double lines where a car stops at an intersection affected by the age of the driver (young, middle age, older) and/or whether or not there are any passengers?
To find out whether living next to high-voltage power lines increases your chance of getting cancer, researchers selected various homes at random.
If he rolls 25 games with the new ball, averaging 204 pins with a standard deviation of 24.9, can one conclude at a level of significance of .01 that the new ball has improved his game?
The marketing communications mix consists of several communication tools. Using a product or service to illustrate your point, list and explain briefly any six communicating tools that you would utilize for this product. Should be written in an es..
1. a random sample of 16 size d batteries for cars yield a mean of 2.8 hours with standard deviation 1.3 hours.a find
Choo Choo Paper Company makes various paper products. One of their products is a 30 mils thick paper. In order to ensure that the thickness of the paper meets the 30 mils specification
A truck without thelp from the truck driver (2hours per truck with the truck drivers help) Assuming M/M1:FCFS/8/8 model: What is the probability of 0,1 or 2 trucks in need of repair at any one time?
Questions for exploring the lives of women who sought change The purpose of this exercise is to produce notes that will help you to
A random sample of 16 federal inmates is selected. What is the probability that exactly 12 are serving time for drug dealing?
Calculate the pH at equivalence. The pKb of pyridine is 8.77 . Round your answer to 2 decimal places. Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of HNO3 solution added.
If the coefficient of static friction between the bottle and the platform is µS = 0.3 determine the maximum speed that the bottle can attain before slipping. Assume the angular motion of the platform is slowly increasing.
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