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In a class there are 7 girls and 5 boys. The median age of the 7 girls is 12 and the median age of the 5 boys is 14. Additionally, you know that there are 3 girls with age greater than 14 and 2 boys with age less than 12. What is the median age of all the students together?
The national median sales price for new single-family homes is $230,000 (The Associated Press, March 25, 2006). Assume that the following data were obtained for sales of existing single-family homes in Houston and Boston.
A simulation model of a job shop was developed to investigate different scheduling rates. Develop and conduct a t-test to evaluate whether model output is consistent with system behavior. Use a level of significance (α) of 0.05
find the 95 confidence interval for the standard deviation of birth weights at county general hospital if the standard
question a study of 35 golfers showed that their average score was 92. the standard deviation of the sample was 5.a
Compare the expected revenue generated by this auction with the expected revenue generated by a second-price auction with reserve price
What is the variance of W in this case? Is it less than, greater than or equal to the variance in (a)? Explain why. For what values of c, if any, will the variance be equal to 0? Explain.
Item weights in the CPI. The cost of buying a house (with the investment component removed) makes up about 22% of the CPI.
Using a graph, compare and contrast the effect of a reduction in the marginal cost of a Cournot competitor when products are homogenous with a Bertrand competitor that produces a differen- tiated product.
the reply has to be 300-400 wordsa what are the characteristics of the standard normal distribution?b the hr
You are a consultant hired to review the instructional staff at the local community college. You have collected data from learner surveys regarding the instructors' performances. You have also collected data on the ratio of grades given by each in..
Net Exports are calculated by subtracting Imports from Exports. Assume Exports and Imports are independent of one another. If mean exports are $25M with a standard deviation of $3.5M and mean imports are $30M with a standard deviation of $5M, wha..
Suppose that the samples are taken and the difference in sample proportions is 0.05. Find the standardized statistic corresponding to this difference.
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