After generating the scattergraph
in Figure 2, right-click anywhere on the set of data points and select Add Trendline from the shortcut menu.
Younger students who may not be familiar with scattergraphs
may suggest subtracting arm span length from height to see if the results are zero or close to zero.
Eventually, he selected Scattergraph
to look at variations of air temperature along the voyage.
If you plotted a scattergraph
of the size of pitches against the number of corners gained on them, you could more easily persuade yourself that there is no relationship between the two than that there is some.
- shows the correlation between two continuous variables, or the distribution of points; useful for plotting a series of readings.