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Suppose, the number of children who are obese in the United States grew from 1,265,966 in 2002 to 1,819,643 in 2007. Use the geometric mean to calculate the average annual growth rate.
Investment A has an expected return of $25 million and Investment B has an expected return of $5 million. Market risk analysts believe the standard deviation of the return from A is $10 million
a prestigious university requires a score of at least 750 on a graduate exam for admission to its mba program. suppose
ten is the average number of oil tankers arriving each day at a certain port city. the facilities can handle at most 15
The following regression equation and correlation coefficient were calculated using minitab for the bivariate data age of men and their weight.
How would one determine which combination of variables is the best (with statistical significance)? If that's not possible, can we show that one combination is statistically significantly worse than the others? What method would be used?
a binomial process has a probability of success of 0.15. if eight trials are run what are the mean number of successes
The average gasoline price of one of the major oil companies has been $2,25 per gallon. Recently, the company has undertaken several efficiency measures in order to reduce prices. Management is interested in determing whether their efficiency meas..
What quantitative method can be applied to help the Department make the decision? Outline how this method can be applied and explain how a qualitative method can also be applied to help the Department make the decision
State the hypotheses that will help us determine whether a change occurred in the mean length of a work week. At a = .05 can the null hypothesis be rejected? What is your conclusion?
What is a chi-squared test used for? What is the typical null and alternate hypothesis when doing a chi-squared test?
Estimate the true proportion of incomplete files for all the bank's commerical loans. write a statement about the confidence level and intervel youn find?
1) Explain the difference between multiple independent variables and multiple levels of independent variables. Which is better?
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