Statistics Flashcards
1
Q
The mode is what
A
The value that occurs most often
2
Q
To find the medium of an odd number is
A
(n+1)
2
3
Q
The medium for a even number
A
N. + 1
2
4
Q
The mean is the average
A
Add all the numbers up and divide by the amount of values there are
5
Q
Sample mean
A
Xbar = sigmaX
N
6
Q
The formula for the sample mean of a frequency distribution
A
X bar = sigma fx
Sigma x
7
Q
A histogram o find the Hight
A
Height= frequency= class frequency
Density Class width
8
Q
What is the range
A
The range is a numerical data is the difference between the Hughes an lowest values
9
Q
Interquartile range is
A
Q3 - Q1
