A Company Studying the Productivity of Their Employees on a New

Multiple Choice

A company studying the productivity of their employees on a new information system was interested in determining if the age (X) of data entry operators influenced the number of completed entries made per hour (Y) .The regression equation is
) If s_x=14.04 and s_y=2.61, then the correlation coefficient between age and productivity is ____ .

A) .779
B) -.236
C) .575
D) -.929
E) -.779