FX 65 Training guide
Statistics
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 | 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. |
10
References the Casio | Casio |