Question

question 12 of 13 use a calculator to find the correlation coefficient of the data set.

x	y
5	19
7	17
10	16
15	12
19	7

a. 0.985
b. - 0.971
c. 0.971
d. - 0.985

Explanation:

Step1: Enter data into calculator

Enter the $x$ - values $\{5,7,10,15,19\}$ and $y$ - values $\{19,17,16,12,7\}$ into a statistical - capable calculator.

Step2: Calculate correlation coefficient

Use the linear - correlation coefficient function (usually denoted as $r$) on the calculator.

Answer:

D. -0.985