If a stepwise regression approach is used to enter,one at a time,four variables into a regression model,the resulting regression equation may differ from the regression equation that occurs when all

If a stepwise regression approach is used to enter,one at a time,four variables into a regression model,the resulting regression equation may differ from the regression equation that occurs when all four of the variables are entered at one step.

“As the price of personal computers continues to fall,demand increases.” This headline is inaccurate because

“As the price of personal computers continues to fall,demand increases.” This headline is inaccurate because
A) a change in the price of personal computers shifts the demand curve.
B) a change in the price of personal computers shifts the supply curve.
C) the statement is backwards: increased demand leads to lower prices.
D) falling prices of personal computers increase quantity demanded,not demand.
E) falling prices of personal computers increase quantity supplied.