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Y Values
X Values
3.1
60
3.6
61
3.8
62
4
63
4.1
65
To the following questions, carry out answers to 3 decimal places if needed. Do not round answers up or down.
Calculate the regression coefficients a and b
b=
a=
Form the regression equation
Y=
3. Calculate the standard error of estimate and the standard error of Coefficient
Standard error of estimate =
Standard error of Coefficient =
4. Make a prediction of Y when X = 64.
Prediction y=
5. Calculate a 95% prediction interval when X = 64.
Predicted value of y will lie between the (lower value) and (higher value)
6. Compute the coefficient of determination.
Coefficient of determination =
Scores of high school students on a national mathematics exam in Egypt were normally distributed with a mean of 86 and a standard deviation of 4.
Determine which of the following is a test of the statistical signficiance of the entire regression equation?
How do you interpret the effect of immigrant status on wages when the model is Log wages regressed on immigrant dummy, and an immigrant dummy interaction
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of this sales revenue he must pay the manufacturer a wholesale cost of $620,000 he also pays wages and utiilty bills totaling $210,000 if he doe not operate this piano business he can work in an accounting firm and recieve an annual salery of $45,..
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In a paticular industry labor supply is Es=10+w and labor demand is Ep=70-3w where E is the level of employment and w is the hourly wage. A. what is the quilibrium wage and employment if the labor market is competitivie? What is the unemplotment rat..
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