Question

Given the following regression output,


Answer the following questions:
a. Write the regression equation.
b. If x1 is 4 and x2 is 11, what is the expected or predicted value of the dependent variable?
c. How large is the sample? How many independent variables are there?
d. Conduct a global test of hypothesis to see if any of the set of regression coefficients could be different from 0. Use the .05 significance level. What is your conclusion?
e. Conduct a test of hypothesis for each independent variable. Use the .05 significance level. Which variable would you consider eliminating?
f. Outline a strategy for deleting independent variables in thiscase.


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  • CreatedDecember 10, 2014
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