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1. Learning the mechanics. Do the data provide suf?cient evidence to indicate that β1 differs from 0 for the least squares analyses in the following exercises? Use α = .05.
2. Predicting home sales price. Refer to the data on sale prices and total appraised values of 76 residential properties in an upscale Tampa, Florida, neighborhood. An SPSS simple linear regression printout for the analysis is reproduced at the bottom of the page.
(a) Use the printout to determine whether there is a positive linear relationship between appraised property value x and sale price y for residential properties sold in this neighborhood. That is, determine if there is suf?cient evidence (at α = .01) to indicate that β1, the slope of the straight-line model, is positive.
(b) Find a 95% con?dence interval for the slope, β1, on the printout. Interpret the result practically.
(c) What can be done to obtain a narrower con?dence interval in part b?
2. The purpose of this exercise is to acquaint you with some simple mathematical relationships and how they translate into graph. Economic models can come under the form of equation such as Y=F(L), Y is depandent variable, L is indepandent variable, ..
What is the effect of an increase in the quantity of money What is the difference between real variables and nominal variables Are these variables affected by the quantity of money If so, how Use examples from the text, the South University Online..
With the price so low, some growers plowed over their strawberry plants to make way for spring melons; others froze their harvests and sold them to juice and jam makers. Explain how the market for strawberries would have changed if growers had not..
a firm in a purely competitive industry has a typical cost structure. the normal rate of profit in the economy is 5
Consider an investment portfolio of $50,000 in stock A and $50,000 in stock B. The expected value of A is 9.5% and B is 6%. The variance of A is 13% and the variance of B is 8%.
Derive the marginal criterion for profit maximization for a farm business as a function of output. Explain each of the terms in the marginal criterion you have derived.
Why does Piketty think that income inequality will continue to grow throughout the rest of the 21st century - why wouldn't equal access to education undo the rising income inequality?
alternative r has a first cost of 100000 annual mampo costs of 50000 and a 20000 salvage value after 5 years.
what is the current macroeconomic situation in the u.s. e.g. is the u.s. economy currently concerned about unemployment
To prevent gasoline values from having devastating effects on economy it has been proposed that all gasoline values in U.S. be fixed at the average value for the past 2-years.
Identify the IP rights that are owned by an organization you currently or formerly have worked at. Explain which intellectual property appears the most difficult for a business owner to protect.
How is MP in the second graph related to TP in the top graph? Explain briefly and show the connection on the graph and In what units is MP measured
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