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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.
A statistical study reported that a drug was effective with a p-value of .042. (a) Is this true? An effective sample may be found about 42 times in 1000 samples.
Determine the probability that employee will make 28 or more sales during 100-call shift? Allocate a Random Variable x.
1) What is the estimated number of new cancer cases for 2016, for all cancer sites combined? 2) What are the Top 3 Cancer Sites for Incidence (both sexes, all races)
What is the value of μ for the network? What is the value of σμ2 for the network? What is the probability that this network can be finished within 27 days?
Assume that the bricks used are randomly chosen from a population of bricks whose mean length is 10 inches and whose standard deviation is 1/32 inch.
A standard deviation of 4.0 days; and 12 employees were absent more than 10 days. Set up a 95% confidence interval estimate of the average number of days absent for the company's workers last year.
According to a recent survey, the probability that a passengerfiles a complaint with the Department of Transportation about aparticular U.S. airline is .000014. Suppose 100,000 passengers whoflew with this particular airline are randomly contacted..
What is your initial perception of this information? What are other ways, beyond looking at the p-value alone, you could use to try to interpret what this outcome of r(2398) = -.21 tells us about the relationship between length of time taking drug..
Using two-tailed test with α = .05, is there significant difference between two treatment conditions? Calculate r2 to measure percentage of variance accounted for by treatment effect.
a company is drilling for oil. when it strikes oil it expects a profit of 100000. the cost of drilling is 5000. if the
Misinterpretations. An advertising agent who created a regression model using amount spent on Advertising to predict annual Sales for a company made these two state- ments. Assuming the calculations were done correctly, explain what is wrong with e..
your manager who just read an abridged version of a statistics book wants you to test hypotheses for the difference in
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