PASCO SPARKvue ver.2.0 - Manual (Page 91)

The red outline moves to the selected run.
Sample Legend
Note : When you apply statistics, such as mean or standard deviation, they
are applied to the selected run.
2. Click the Graph Tools button to open the tool palette.
3. Click the Slope Tool button.
The Slope Tool appears on the graph displaying the slope at one point.
The Slope Tool appears in the middle of the data run or, if part of the data run has
been selected, in the middle of the selected part.
See "Selecting part of a data run for operation in a line graph": 28 .
4. Click the arrows of the point selector to move the slope tool to nearby points.
5. To hide the Slope Tool, click the Slope Tool button again
Finding the correlation coefficient (r)
To find the correlation coefficient (r):
1. Optional: select a different data run.
In the display legend, a red outline surrounds the run that is selected for operation.
Complete these steps to change which run is selected:
i. Click the legend.
The legend enlarges.
Document Number: 012-11074D 79
SPARKvue
®
7 Data analysis
Analyzing data in a graph