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Note:
Using the
regression
functions
Time (min)
2
Temperature
38.4 46.4 54.4 62.5 69.6 76.1 82.4 88.6 93.4 94.9 96.5 98.2 99.1 100
(°C)
Enter a data in a
list table
Plotting the data
Selecting the
graph type
Chapter 8: Statistics & Regression Calculations
When selecting a regression equation from 02 to 10 and calling to
screen, "Rg" is automatically added to the equation to indicate a
regression equation. For example "Rg_ax+b" will be displayed
when selecting "02 ax+b".
The following table shows the relationship between the time and
temperature of water, when heating a beaker filled with water.
3
4
5
6
1. Press S A E.
2. Enter the time into list 1 (L1).
3. Enter the temperature into list 2 (L2).
1. Press @ [ A E.
2. Press E to turn on the plotting.
3. Press } and ' to select XY of DATA menu and press
E.
Freq will change to ListY and set L2 to ListY.
1. Press } to move the cursor to GRAPH.
2. Press @ [ G and 2 (2 Scattr+) to set the
graph type to scatter and point type to "
3. Press Z A 9 (9 Stat) to plot the scatter diagram
for this data.
• Selecting A 9 in the ZOOM mode allows for quick
graphing in an optimum range since window setting values of
the graph plotting screen are automatically set using the list
data.
7
8
9
10 10.5 11 11.5 12 12.5
+
".
137
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