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7-7 Performing Stati tical Calculation
You can perform statistical calculations without drawing a graph by tapping [Calc] on the
menu bar and selecting [One-Variable] or [Two-Variable].
Viewing Single-variable Stati tical Calculation Re ult
Besides using a graph, you can also use the following procedure to view the single-variable
statistics parameter values.
To di play ingle-variable calculation re ult
(1) On the menu bar, tap [Calc] and then [One-Variable].
(2) On the dialog box that appears, specify the [XList] name and select the [Freq] setting
(page 7-3-3, 7-3-4).
(3) Tap [OK].
• This displays the Stat Calculation dialog box with the single-variable statistical calculation
results described below. You can use the scrollbar to scroll the results.
:
sample mean
x
:
sum of data
x
2
:
sum of squares
:
population standard deviation
x
s
:
sample standard deviation
x
n
:
sample size
minX :
minimum
Q
:
first quartile
1
Med :
median
Q
:
third quartile
3
maxX :
maximum
Mode :
mode*
ModeN : number of data mode items
ModeF : data mode frequency
* If "Mode = ModeStat" is shown on the Stat Calculation dialog box, it means that
solutions are stored in the "ModeStat" system variable. To view the solutions, tap any list
name cell on the Stat Editor window, input "ModeStat", and then tap
the "ModeStat" system variable contents in the list.
7-7-1
Performing Statistical Calculations
20090601
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