Answer the Question Using the Value of R and the Given

question 42

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 price per item (y) and the availability of that item (x) . The correlation coefficient r is -0.95. Predict the price per item for an availability of 3.

• A)7.8
• B)6.8
• C)No valid prediction is possible.
• D)8.8