Coding Flashcards
1
Q
Remember
A
DO IT IN ORDER
2
Q
E(X) & Mean
A
adding and multiplying - just sub in X
3
Q
o (s.d.)
A
multiplying
4
Q
o^2 (Var(X))
A
multiplying^2
5
Q
pmcc
A
no!
6
Q
regression line
A
after figure out everything
adding and multiplying
if is just multiplying - reverse on the whole eqt
if adding - expand bracket (TIMES EVERYTHING)
if adding and multiplying - expand bracket (TIME EVERYTHING and KEEP EVERYTHING DIVIDING)
7
Q
what is E(X)
A
the expectant
