23. Refer to exercise 5. a. Use a = .01 to test the hypotheses H: B =...
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23. Refer to exercise 5.
a. Use a = .01 to test the hypotheses H: B = B = 0 Ha: B, and/or , is not equal to zero for the model y =o + Bx + Bx+e, where x=television advertising ($1000s) xnewspaper advertising ($1000s)
b. Use a = .05 to test the significance of ,. Should x, be dropped from the model?
c. Use a = .05 to test the significance of . Should x be dropped from the model?
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Related Book For 
Essentials Of Modern Business Statistics
ISBN: 9780324312843
3rd Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
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