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X = % increase in advertising costs Y = % increase in sales X 1 2 4 5 7 9 Y 2 4 5 7
X = % increase in advertising costs Y = % increase in sales X 1 2 4 5 7 9 Y 2 4 5 7 8 10 Calculate r2 and r, what do they mean? Formulate a simple regression equation between X and Y ! Using a simple regression equation, if X = 10, what is the predicted value of Y? With = 5%, test : Ho : = 0. Also test Ho : = 0 Ha : 0 Ha
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Essentials Of College Algebra
Authors: Margaret L Lial, John E Hornsby, David I Schneider, Teresa McGinnis
10th Edition
0321970632, 9780321970633
