E-73
A
Inputting Sample Data
The following example shows how to input the following sample data in the SD Mode.
Class Value (X) Frequency (FREQ)
24.5 4
25.5 6
26.5 2
Enter the SD Mode:
N
3
(SD)
Input the class values in the X column:
24.5
E
25.5
E
26.5
E
The initial default for all frequencies is 1.
Move the cursor to the top cell of the FREQ column:
ce
Input the frequency values in the FREQ column:
4
E
6
E
2
E
The only difference when inputting sample data in the REG Mode is that the STAT editor
screen has three columns named X, Y, and FREQ.
Note
• In the SD Mode, one set of sample data consists of an X value and FREQ value, while
one set of REG Mode sample data consists of an X value, Y value, and FREQ value.
Whenever you start input of a sample data set by inputting a value for any one of its
columns on the STAT editor screen, the remaining column(s) in the same sample data set
change(s) to their initial defaults (X = 0, Y = 0, FREQ = 1).
• Inputting a calculation expression into a cell and pressing
E
will register the result of the
calculation.
• In both the SD Mode and REG Mode, you can input up to 199 STAT editor lines of sample
data.
• Sample data you input is retained in memory until you delete it or reset the calculator.
Changing to another calculation mode, changing the statistical frequency setting, or
turning off the calculator does not affect sample data.
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