Scatterplots & Time Series Plots Flashcards
1
Q
Scatterplot definition
A
A plot of points where the coordinates of the points represent the values of the two variables under study.
2
Q
Scatterplot Purpose
A
Useful to visualise whether or not there is a relationship between two variables
3
Q
Scatterplot Judgement
A
Are the points moving in a particular direction or are they randomly scattered
4
Q
Outliers
A
Outliers are data values that lie away from the general cluster of other data values.
5
Q
Time series plot definition
A
A line graph with time on the horizontal axis and the variable value at the given time on the vertical axis.
6
Q
Time series plot purpose
A
Helpful when we need to forecast future values of a time series
7
Q
Time series plot judgement
A
- is there an observable trend?
- is there a seasonal pattern?
