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The University of South Central Maryland (USCM) is being sued for sexually discriminatory appointing practices. Last year, they appointed two classes of employees, administrative staff and academic staff. They got 750 applications from women for administrative staff positions, of which they appointed 250, and 250 applications from women for academic positions, of which they hired 200. In total, then, they had 1000 applications from women of which they hired 450, or 45%. They got 300 applications from men for administrative positions, of which they hired 75, and 700 applications from men for academic positions, of which they appointed 550. In total, of 1000 applications they got from men, they hired 625, or 62.5%.
Based on numbers presented, what do you believe of the discrimination claim?
If the estimate is to be within 8 mpg of the true mean with 98% confidence and the estimated standard deviation is 22 mph, how large a sample size must be taken?
Chi-square tests are great to show if distributions differ or if two variables interact in producing outcomes. What are some examples of variables that you might want to check using the chi-square tests? What would these results tell you?
Carefully define a standard normal distribution. Why does a researcher want to go from a normal distribution to a standard normal distribution? Explain.
Construct a 90% confidence interval on the difference in fraction nonconforming between the two processes."
What's the expected value of sample information? How much might the physicians be willing to pay for a market study?
Let x be a random variable that represents a test score. What is the lowest score that would still place a student in the top 40% of the scores?
A researcher testing the affects of music on studying conducts a within participants design. The results are as follows: music 6,7,6,5,6,8,8, and no music 10,7,8,7,7,9,8
Sales manager wishes to award sales representatives who earn the largest commissions a bonus of= $1,000 .He can award bonus to 20% of representatives. Determine cutoff point between those who earn bonus and those who don't?
Plot the data on the same line and give your impression regarding any apparent differences between the two companies.
A computer diskette manufacturer is concerned that some diskettes have bad sectors that would cause a diskette to hold less information than it was intended to hold.
Which of the following would have a binomial distribution and evaluate the binomial coefficient
Choose the correct conclusion regarding the claim that the weights of statistics text vary more than the weights of text in general.
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