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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.
Consider a Simple Linear Regression Model (SLRM) of the form y= a1+a2X+e where e ~ N(0,σ 2 )(Use the assumptions outlined in our class and available for review in the lecture note
Would you please advise me what would be the code in Eviews if I have first dependent variable in continuous data, second censor data and third discrete data in my system (structu
effect on of multicollinearity.
Females, it is said, make 70 cents to the dollar in the United States. To investigate this phenomenon, you collect data on weekly earnings from 1,744 individuals, 850 females and
Suppose you have a model of capital investment by a U.S. rm. Imagine that yt, x1t and x2t are annual measures of investment, lagged pro t, and lagged capital stock, all in real do
A perfectly competitive firm hires its machines at a constant rental rate of r = 5 euros per unit and its workers at a constant wage rate of w = 4 euros per unit. It can also sell
what is law of denam?
Factor that affect the volume of production
What is the expected value and variance of y = 3x+2 knowing that E(X) = 8 and var(X) = 4.
1. (a) Consider a perfectly competitive industry that produces a total output of 190 units in the long run. Suppose there are n identical firms in the market. Each firm then produc
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