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Question: Determining the tolerances for losses from DRG 209 patients. Table gives data on hospital losses for samples of DRG 209 patients. The distribution of losses has been stable over time. What are the natural tolerances within which you expect losses on nearly all such patients to fall?
Compute a 95% confidence interval for the population proportion of positive drug tests. Explain why is the normality assumption not a problem despite the very small value of p.
Compare the Friedman test with the randomized block ANOVA in terms of (a) their respective null and alternative hypotheses, and (b) the assumptions required in order to use each test.
In a survey of 2769 adults, 1441 say they have started paying bills online in the last year.Construct a 99% confidence interval for the population proportion. Interpret the results.
1.suppose that a random sample of 41 state college students is asked to measure the length of their right foot in
The University Bookstore is owned and operated by State University through and Independent Corporation with its own board of directors.
Use the .05 significance level and the 5 step hypothesis testing process to check if there is a difference in the mean flight times among the three airlines.
If we assume a normal distribution and a standard deviation of σ = $0.20. , what proportion of passenger trips produced a revenue of less than $1.05?
state the null and alternative hypotheses for the following conjecture a researcher thinks that if expectant mothers
in each of the following situations the sampling frame does not match the population resulting in undercoverage. give
The sum of the values obtained in a random sample of size n = 5 is to be used to test the null hypothesis that on the average there are more than two accidents per week at a certain intersection (that λ > 2 for this Poisson population) against the..
western pennsylvania has an average co2 emission rate of 1538 lbmwh. the city of pittsburgh has 335000 residents. if we
The cities on both lists were all smaller than the 10 largest cities. Using facts about the sampling distribution model of the mean, explain why this is not surprising.
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