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With the data of Exercise 1, estimate the total amount spent on medical care for the disease using the Horvitz-Thompson estimator, and estimate its variance.
Exercise 1 Using the network sample of Example 1, estimate the total amount spent on medical care for the disease investigated. The dollar amounts for the seven people linked to the three households listed in the example are y1 = 0, y2 = 3400, y3 = 5000, y4 = 6600, y5 = 0, y6 = 0, and y7 = 12,000. None of the people linked to the other 97 households in the sample required any medical treatment for the disease. Use the multiplicity estimator and give an estimate of its variance.
What are significant predictors of CHD and what would a final model look like and can you provide an estimate of its predictive accuracy
Refer to the Prostate cancer data set in Appendix C.5 and Case-Study 9.30. Select a random sample of 65 observations to use as the model-building data set.
according to the empirical rule if the data form a bell shaped normal distribution what percent of the observations
A jar contains 12 marbles, 5 of which are blue and 7 of which are red. If 4 marbles are chosen at random and without replacement, what is the probability of selecting 3 blue ones and 1 red one?
Use Chebyshev's theorem to find what percent of the values will fall between 241 and 349 for a data set with a mean of 295 and standard deviation of 18.
for the following claim find the null and alternative hypothesis test statistic pvalue critical value and draw a
Test hypothesis that average price of gasoline in western states is higher than national average for Continental USA and the District of Columbia, i.e., higher than $3.74.
Solve using the square root property: Radicands must be enclosed within
Assume that results of survey were used to create seperate 99% confidence intervals for boys and girls. would the margins of error be same as, larger , or smaller than that for question one?
Take a confidence interval for the difference in the average of renting between the first andthird hotel.
when an opinion poll calls residential telephone numbers at random only 20 of the calls reach a live person. you watch
the average length of stay at a local hospital is 4.9 days. assuming a population standard deviation of 3.5 days what
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