Understand the Relationship Between the Correlation and the Regression Line

question 3

Multiple Choice

Understand the relationship between the correlation and the regression line.
-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 yˆ = 14.374 − 0.145x .
If sx=14.04 and sy=2.61, then the correlation coefficient between age and productivity is

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

---

Definitions:

IAS 28

An International Accounting Standard governing the accounting for investments in associates and joint ventures.

Equity Method

An accounting technique used to assess the investments in other companies where the investor has significant influence but not full control.

Patent

A form of intellectual property right that grants the patent holder exclusive rights to an invention for a certain time period, preventing others from making, using, selling, or distributing the patented invention without permission.

Significant Influence

A level of control in an investment, usually signifying the ability to participate in financial and operating policy decisions of the investee without having full control.