Answer:
Step-by-step explanation:
We can add the two equations to eliminate the variable and solve for :
Now, we can use substitution to solve for :
(given)
Hope this helps :)
Answer:
the correct option is E. d is biased.
Step-by-step explanation:
As given,
The expected value of d hat is not equal to D.
We know that,
The unbiased-ness is the property that tells the expected value of d is equal to D
So, the correct option is E. d is biased.
-50x :)
characters bc it has to be 20