Answer:
Step-by-step explanation:
We can use the FOIL method to expand two multiplied binomials. It states that . The FOIL method stands for First(first terms) outer(outer terms) inner(inner terms) last(last terms).
So, we can expand our binomials now!
3
You have to divided by 5 but you will get 2.8. But if you round it it will come out to be 3.
The leverage of an observation is determined by how far the values of the independent variables are from their means.