graphs Flashcards
1
Q
what is a histogram
A
the frequency of something
no graphs
likely to be used in continuous data
2
Q
what is a bar chart
A
one with gaps as it is not continuous
3
Q
what is a scattergraph
A
data points
frequency of variable
likely to be used when looking at relationships
show the strength and direction of correlations
can either positive or negative
4
Q
what does nominal mean
A
categorical data e.g colours
5
Q
what is ordinal data
A
continuous data that is a ranking
6
Q
what is interval data
A
numerical data with universal units
