Answer:
I'm not 100% sure on this but I think it would be C- 8.1
Step-by-step explanation:
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 
40 * 7.85 = 314
32.24 + 24.02 + 24.53 = 80.79
314 - 80.79 = 233.21
Answer is D
Simple....
8*3=24
8+3=11
Thus, your answer.
The value of 4 is 4000, this is because it is in the thousands column (units,tens,hundreds,thousands etc)