FX 65 Training guide Statistics

FX 65 Training guide

Entering and analyzing statistical data

[SHIFT] [STAT]	Enters the statistics mode.
[COMP]	Exits the statistics mode. Note that all input data is deleted.
[SHIFT] [SAC]	Clears statistical memory. Be sure to perform this operation
	before inputting new data.
[DATA]	Inputs the displayed value as data. Press [DATA] twice to input
	two entries of the same value. (NOTE: This is the “M+” key).
[SHIFT] [DEL]	Deletes the displayed value as data.

Note: You can input multiple entries of the same data using [x].

To input 100 ten times, press [100] [x] [10] [DATA].

After entering data, you can retrieve the following values:

[SHIFT] [σ n-1]			Sample standard deviation.
[SHIFT] [σ n]			Population standard deviation.
[SHIFT] [		]	Arithmetic mean.
	x
[SHIFT] [n]			Number of data items.
[SHIFT] [∑x]			Sum of data.
[SHIFT] [∑x2]			Sum of the squares.

References the Casio FX-65 User’s Guide

Casio FX-65 Fraction calculator