Answer:
option B

Step-by-step explanation:
we know that
The<u> correlation coefficient</u> r measures the direction and strength of a linear relationship.The value of r is always between
and 
Using a Excel tool (Correl function)
see the attached table
The value of r is 
Answer:
1.d 2 a,d
Step-by-step explanation:
Answer:
y=-x-11
Step-by-step explanation:
The answer is 6.5%, I just took a test with this question.