Other Quiz Flashcards
1
Q
Mean
A
!x = Σ xi / n
2
Q
Variance
A
s^2 = Σ (xi - x)^2 / (n-1)
3
Q
Standard Diviation
A
s = s^2
4
Q
Degree of Freedom
A
n-1
5
Q
Range
A
Max - Min
6
Q
Mode
A
Most Common
7
Q
Median
A
Middle
8
Q
Dot Plot
A
: . . : .
9
Q
Frequency Distubution
A
# of bins = sqrt(n)
bin size = range / sqrt(n)
[ x ] ( x ] … ( x ]
10
Q
Histogram / Box plot
A
Q1 = Median of lower half
Q2 = Median
Q3 = Median of upper half
11
Q
IQR
A
Q3 - Q1
12
Q
Max Whisker
A
1.5 * IQR
