6-2-4

Calculating and Graphing Single-Variable Statistical Data

kDisplaying the Calculation Results of a Drawn Single-Variable Graph

Single-variable statistics can be expressed as both graphs and parameter values. When these graphs are displayed, the single-variable calculation results appear as shown below when you press 1(1VAR).

Use c to scroll the list so you can view the items that run off the bottom of the screen. The following describes the meaning of each of the parameters.

..............

mean

Σx ............

sum

Σx2 ..........

sum of squares

xσn ..........

population standard deviation

xσn–1 ........

sample standard deviation

n ..............

number of data items

minX ........

minimum

Q1............

first quartile

Med..........

median

Q3............

third quartile

maxX .......

maximum

Mod..........

mode

Mod : n ....number of data mode items

Mod : F ....data mode frequency

• Press 6(DRAW) to return to the original single-variable statistical graph.

#When Mod has multiple solutions, they are all displayed.

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