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Table 7.23 refers to applicants to graduate school at the University of California, Berkeley for the fall 1973 session. Admissions decisions are presented by gender of applicant, for the six largest graduate departments. Denote the three variables by A = whether admitted, G = gender, and D = department. Fit loglinear model (AD, AG, DG).
a. Report the estimated AG conditional odds ratio, and compare it with the AG marginal odds ratio. Why are they so different? b. Report G2 and df values, and comment on the quality of fit. Conduct a residual analysis. Describe the lack of fit.c. Deleting the data for Department 1, re-fit the model. Interpret. d. Deleting the data for Department 1 and treating A as the response variable, fit an equivalent logistic model for model (AD, AG, DG) in (c). Show how to use each model to obtain an odds ratio estimate of the effect of G on A,
Develop a suitable tabular form and graphical bar charts of the HLE, G, FS and frequency - Explain the differences and similarities of range and IQR?
The times are shown here. At the 0.05 level, do the seat designs differ significantly in terms of the time that patrons stay? Using the appropriate statistical table, what is the most accurate statement we can make about the p-value for the test..
The data from the drive quality tests conducted at DataStor over the past 150 shifts are contained in the file DATASTOR. The Data Description section contains a description of this data file.1.
A local television station plans to drop four Friday
the weather forecast for tomorrow indicates that there is a 70 chance that there will be a high wind speed. the
What if the size for each sample were increased to 20? Would a sample mean of 115 or more be considered unusual? Why or why not? Why is the Central Limit Theorem used?
suppose the cumulative distribution function of the random variable x is fx 0 when xlt-2 fx .25x .5 when -2 lt x lt
Test the proportions of yellow fire trucks have a significantly lower accident rate.
a researcher wants to know how consumption spending responds to changes in disposable income.nbsp the researcher
Last week Sarah had exams in Math and in Spanish. On the math exam, the mean was m = 40 with s = 5, and Sarah had a score of X = 45. On the Spanish exam, the mean was m = 60 with s = 8 and Sarah had a score of X = 68. For which class should Sara e..
assume that the number of students who successfully complete this course with a grade of lsquoc or better has a
Let p represent the population proportion of all numbers in the corporate file that have a first nonzero digit of 1. Test the claim that p is less than 0.301 by using What is the P-value of the test statistic?
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