Answer the Question Using the Value of R and the Given

question 19

Multiple Choice

Answer the question using the value of r and the given best-fit line on the scatter diagram.
- The scatter diagram and best-fit line show the data for the price of a stock (y) and U.S. employment (x) . The correlation coefficient r is 0.8. Predict the stock price for an employment value of 5.

• A)5.9
• B)4.9
• C)7
• D)No valid prediction is possible.

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Definitions:

Circum-

A prefix indicating 'around' or 'about', used in medical and general terminology.

Peri-

A prefix meaning around, nearby, or encircling, often used in medical terms to describe location or proximity.

Down

a direction towards a lower position or a lower point on a scale.

Quadri-

A prefix meaning "four," used in medical terms to signify four parts or quadruple.