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An educator wants to determine whether a new curriculum significantly improves standardized test scores for third grade students. She randomly divides 80 third dash graders
into two groups. Group 1 is taught using the traditional ?curriculum, while group 2 is taught using the new curriculum. At the end of the school? year, both groups are given the standardized test and the mean scores are compared. Determine whether the sampling is dependent or independent. Indicate whether the response variable is qualitative or quantitative.
Determine whether the sampling is dependent or independent.
A.The sampling is dependent because the individuals selected to be in one sample are used to determine the individuals to be in the second sample.
B.The sampling is independent because the individuals selected to be in one sample are used to determine the individuals to be in the second sample.
C.This sampling is independent because the individuals selected for one sample do not dictate which individuals are to be in a second sample.
D.The sampling is dependent because the individuals selected for one sample do not dictate which individuals are to be in a second sample.
Suppose you have the choice between a 100% safe investment returning 5% or a 90% safe investment returning 25% (this means that with probability 1/10 you will lose everything). Calculate how to invest your money using the Kelly strategy. Calculate th..
Home has 1,200 workers. It can produce two goods, apples(QA) and bananas(QB). The unit labor requirement in apple production is 3, while it is 2 in banana production. draw the PPF for home(with the production of apples on x-axis). what is the opportu..
What he didn't foresee was that number of T-shirt stores in South Padre would jump from roughly 10 to 40 within two years. Now he laments.
Rate of Return - A stock selling today for $40 per share. At the end of the year, it pays a dividend of $2 per share and sells for $44
Several years ago, James Todd Smith (a/k/a LL Cool J) performed at the United Center. General admission tickets were priced at $32. Concert promoters say that price elasticity of demand for general admission concert tickets was -1.6(i.e. E(P)= -1.6).
Each year,$7,500 is invested at 4% annual compound interest a) What is the value of the investment portfolio after 20 years? After 25 years? After 30 years? b) Repeat part (a) with the investment at 5% annual compound interest c) Based answers to (a)..
If the average income in the town increases to 15, solve for the new equilibrium Quantity and equilibrium Pb.
If it is the government's desire to raise quite a bit of tax revenue, why should it tax a product like gasoline or cigarettes instead of a product like yachts?
Describe the impact of a payroll tax on wages and employment in a competitive industry. Why is part of the tax shifted to workers? What is the deadweight loss of the payroll tax?
At the profit maximizing level of output for a monopolist:
Consider the infinite repetition of the n-firm Bertrand game. Find the set of discount factors Delta for which full collusion (i.e. monopoly pricing) can
A monopoly has an inverse demand curve given by p=16-Q and a constant marginal cost of ?$2. Calculate deadweight loss if the monopoly charges
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