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a) Explain what is calculated by a correlation coefficient.b) Why do economists commonly find regression a more useful tool than correlation?c) In a sample of 102 men the correlation among age and monthly donations to charity is found to be 0.2.Test whether this correlation is significantly among from zero and comment on your result.
(a) Describe all tests that you need to undertake prior to working with time series data. (b) Consider the following regression result: Standard Errors: (6.7525)
what is the mathematical origin of durbin watson test for autocorrelation
Derive marginal benefit of reducing principal balances
Consider a linear model to explain pricing of houses: Price = ß0 + ß1lotsize + ß2sqrft + ß3bdrms + u (1) E(u| lotsize, sqrft, bdrms)=0 Var (u| lotsize, sqrft, bdrms)=s2 lotsize4
what is the source of heteroseedasticity
Given the demand function Qd = 650-5P-P2 where P=10 Find out the price elasticity of demand.
What trends do you see in the Economic, Political, and Cultural environment of society that will affect the industry in the future? Answer) The trends that will affect the indus
Popularity vs. True Quality What determines the popularity of YouTube videos? Are the most viewed videos really the ones people like the most? What drives people choose certain
what model should i use for economic services and how to run spss for the same?
I am beginning my thesis and I need some advice. I am trying to estimate a probit model. The binary dependent variable is employment status and the independent variables include:
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