I’m not entirely sure but maybe it’s c
22.25
multiply them by each other and you will get your answer 22.25
Answer:
8
eight by eight is equals to sixty four
Answer:
The coefficient of correlation=0.5
Step-by-step explanation:
We are given that
Covariance between the variable x and y=18
Variance of x=16
Variance of y=81
We have to find the coefficient of correlation
We know that
Coefficient of correlation

Using the formula



Hence, the coefficient of correlation=0.5