PASCO SPARKvue ver.2.0 - Manual (Page 87)

The curve and parameters of the curve appear on the graph.
6. Optionally, select part of the data set for the curve fit to be applied to.
See "Selecting part of a data run for operation in a line graph": 28 .
Removing a curve fit
1. Click the Graph Tools button to open the tool palette.
2. Click the Curve Fit button.
Drawing a prediction
Complete these steps to manually sketch on a graph:
1. Click the Graph Tools button to open the tool palette.
2. Click the Prediction button.
3. Do one of the following:
l
Trace a continuous curve on the graph.
l
Click several locations on the graph to draw a series of connected points.
4. To delete the prediction, click the Prediction button.
Finding the x- and y-values of a point
Complete these steps to select a point on a graph and display its coordinates:
Document Number: 012-11074D 75
SPARKvue
®
7 Data analysis
Analyzing data in a graph