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Refer to the previous exercise. Table 7.22 shows the fit of the model that assumes conditional independence between E/I and T/F and between E/I and J/P but has the other pairwise associations. a. Compare this to the fit of the model containing all the pairwise associations, which has deviance 10.16 with df = 5. What do you conclude?b. Show how to use the limits reported to construct a 95% likelihood-ratio confidence interval for the conditional odds ratio between the S/N and J/P scales. Interpret
The estimates shown use N for the first category of the S/N scale and J for the first category of the J/P scale. Suppose you instead use S for the first category of the S/N scale. Then, report the estimated conditional odds ratio and the 95% likelihood-ratio confidence interval, and interpret
the value of the test statistic for testing if one population mean is larger than the other based on samples of size 24
The insurance company charges an annual rate of $250 for the collision coverage. What is the expected value of the collision policy holder?
What is a discrete random variable and how does it differ from a continuous random variable? Give examples.
Show that the MACRS system is more beneficial economically. Use a 5-year tax life. The corporate MARR is 10%, and the tax rate is 34.
suppose that a test for hepatitis c is 98 accurate in that if a person has hepatitis c the test will indicate positive
Let X 1 , X 2 , X 3 , X 4 be a random sample from a Poisson distribution with parameter λ and let Y = X 1 + X 2 + X 3 + X 4 . You decide to test λ = 1.60 versus λ
What is the probability density function for this uniform distribution?
a researcher reports that when groups of four children are randomly selected from a population of couples meeting
a study of various news home pages reports that the mean number of bad links per home page is 0.4. if the errors occur
a study considered the question are you a registered voter? accuracy of response was confirmed by a check of city
a skateboarder have a 96 success to do an ollie in his first try. he is given 3 tries to do an ollie. each try is
Check the assumptions and conditions for inference on proportions. If it's appropriate, find a 90% confidence interval for the proportion of WBCs that receive SBA funding. If it's not ap- propriate, explain and/or recommend an alternative action.
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