Well...
0.08
X 10
-------
????
0.80
7. is the answer to your question
SOLUTION
Given the question in the image, the following are the solution steps to answer the question.
STEP 1: Get the given data values
STEP 2: Write the formula for calculating the coefficient
STEP 3
: Calculate the correlation coefficient
Using the calculator,
Hence, the value of r is 0.791
Set up an equation 20=k(0.4)....to find k divide 20 by 0.4