Question
The following regression equation is established between sales of a product( y ) (in number of units sold) and its price( x ) y hat=340010
The following regression equation is established between sales of a product(y) (in number of units sold) and its price(x)yhat=340010xThe correlation coefficient Select one: a. is positive b. is negative c. is positive if the coefficient of determination is positive and negative if the coefficient of determination is negative d. None of the above
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Numerical Analysis And Optimization NAO-III, Muscat, Oman, January 2014
Authors: Mehiddin Al Baali, Lucio Grandinetti, Anton Purnama
1st Edition
3319176897, 9783319176895
