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7.5 Refer to Table 2.10 on death penalty verdicts. Let D = defendant's race, V = victim's race, and P = death penalty verdict. Table 7.20 shows output for fitting model (DV,DP,PV ). Estimates equal 0 at the second category for any variable. a. Report the estimated conditional odds ratio between D and P at each level of V . Interpret.b. The marginal odds ratio between D and P is 1.45. Contrast this odds ratio with that in (a), and remark on how Simpson's paradox occurs for these data.c. Test the goodness of fit of this model. Interpret.d. Specify the corresponding logistic model with P as the response.
when 12 bolts are tested for hardness their indexes have a standard deviation of 41.7. test the claim that the standard
a web site rated 100 colleges and ranked the colleges from 1 to 100 with a rank of 1 being the best. each college was
according to a recent survey about 33 of americans polled said that they would likely purchase reusable cloth bags for
let y be a uniform random variable defined over the interval 02. find an expression for the rth moment of y about the
to test the efficacy of a new cholesterol-lowering medication 10 people are selected at random. each has their ldl
The sums of squares appear in the following ANOVA summary table. The mean for each condition and the condition and the number of subjects precondition are also noted.
testing for population mean.a manufacturer produces tv tubes that are intended to have an average life of 580 hours.
the probability distribution of the discrete random variablenbspxnbspis given by the following
suppose there are 10 drawers each containing two coins. drawers 1 and 2 contain only gold coins while in drawers 34 and
How many different ways to be appointed head of a division How many different ways could the three new heads be appointed?
A population consists of 15 items, 10 of which are acceptable. In a sample of 4 items, what is the probability that exactly 3 are acceptable? Assume the samples are drawn without replacement.
A random sample of n measurements was selected from a population with unknown mean μ and standard deviation σ. Calculate a 99% confidence interval for μ for each of the following situations: n=85, x¯=23.8, s=3.75
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