Stats Stuff Flashcards
0
Q
Chebyshev 75
A
2 SD’s
75% of the values lie between N and N2
=1-(1/Z^2)
1
Q
=Standardize
A
Z=(x, X|, SD)
central location
(X-X|/SD)
2
Q
Chebyshevs 68.26% of a normal random variable
A
1 SD
68.26% of the outcomes lie between N and N1
1-(1/Z^2)
3
Q
99.72% of Chebyshyvs
A
99.72% of the outcomes lie between 3 standard deviations.
1-(1/zZ)
4
Q
Z
A
Explains how many standard deviations above or below the mean the outcome lie
A central location
x-X|/SD