Casio fx-CG20 kDisplaying the Calculation Results of a Drawn Single-VariableGraph

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w(Draw)

The display screen appears as shown above before the graph is drawn. At this point, you can change the Start and Width values.

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 to the right when you press 1(1-VAR).

• 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.

x¯ ..................	mean	minX.............	minimum
Σx ................	sum	Q1 ................	first quartile
Σx2 ...............	sum of squares	Med ..............	median
σx .................	population standard	Q3 ................	third quartile
	deviation	maxX............	maximum
sx .................	sample standard	Mod ..............	mode
	deviation
		Mod:n	number of data mode items
n ..................	number of data 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.

•You can use the Setup screen’s “Q1Q3 Type” setting to select either “Std” (standard calculation) or “OnData” (French calculation) for the Q1 and Q3 calculation mode.

For details about calculation methods while “Std” or “OnData” is selected, see “Calculation Methods for the Std and OnData Settings” below.

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