Measurements Of Spread Flashcards
1
Q
Max - min
A
Range
2
Q
Is range resistant to outliers
And a good place to start
A
No
3
Q
(Standard deviation )^2
A
Variance
4
Q
Standard deviation
A
Typical distance from a data point to the mean of its distribution
5
Q
S? (Statistic)
A
Sample standard deviation
6
Q
σ
A
Standard deviation is for population ( parameter)
7
Q
Interquartile range
A
Range of the middle 50% of the data
8
Q
Is the interquartile range resistant to outliers?
A
Yes
9
Q
Value that’s greater than that percent of the rest of the data
A
Percentile
10
Q
How to find percentile?
A
Divide the number you want by the amount in the data set
11
Q
How to find IQR
A
Q3-Q1
