A Company Studying the Productivity of Their Employees on a New

question 13

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

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