Noteworthy Formulas Flashcards
1
Q
Coefficient of Variation
A
2
Q
A
3
Q
n is a positive integer
A
4
Q
Sample Mean
A
5
Q
Sample Variance
A
6
Q
Alternative Formula for Expecation
A
7
Q
Third Moment About the Mean
A
8
Q
*
A
9
Q
Relationship between Variance and Expected Value, Poisson Distribution
A
Var[X]=E[X]
10
Q
Relationship between Variance and Expected Value, Binomial Distribution
A
Var[X] < E[X]
11
Q
Relationship between Variance and Expected Value, Neg. Binomial Distribution
A
Var[X] > E[X]
12
Q
Coefficient of Correlation
A
13
Q
Var[aX+bY+c]
A
14
Q
Cov[X,Y]
A
Cov[X,Y]=E[XY]-E[X]E[Y]
