Shape Of Distribution Flashcards
1
Q
What is symmetrical distribution
A
The mode = median = mean
The modal class in the middle
2
Q
Bimodal distribution
A
Has two modes
Two bars taller than the rest
3
Q
Uniform distribution
A
Mean = median
There is no modal class
4
Q
Positive skew
A
The data is bunched to the left - looks like it has a negative correlation
mode < median < mean
5
Q
Negative skew
A
The data is bunched to the right
mode > median > mean
6
Q
What diagrams construe distribution
A
Stem and leaf
vertical line chart
frequency polygon
