Symbols Flashcards
0
Q
X or Y
A
Variables measured
1
Q
X bar
A
The mean of the sample
2
Q
N
A
Total number of subjects or scores
3
Q
Xi
A
ith score where i can vary from 1 to N.
4
Q
Sigma
A
Sum of all scores. Notation above & below say which scores to include (bottom=beginning, top=end).
5
Q
Mu
A
Mean of a population set of scores
