Casio fx-7400G PLUS Basic Operation Instrukcja Użytkownika Pobierz pdf (Strona 28)

Chapter 2 Basic Calculations

The following menu appears whenever you press 1 (X), while the statistical data

menu is on the display.

1 (X)

1 (n) ............. Number of data

2 (

o) ............. Mean of x data

3 (Σ

x) ........... Sum of x data

4 (Σ

) .......... x data sum of squares

[

1 (xσn) ......... x data population standard deviation

2 (

xσn-1) ....... x data sample standard

deviation

3 (minX) .......

x data minimum value

4 (maxX)......

x data maximum value

Press [ to return to the previous menu.

The following menu appears whenever you press 2 (Y) while the statistical data

menu is on the display.

2 (Y)

1 (p) ............. Mean of y data

2 (Σ

y) ........... Sum of y data

3 (Σ

) .......... y data sum of squares

4 (Σ

xy) ......... x data and y data sum of products

[

1 (yσn) ......... y data population standard deviation

2 (

yσn-1) ....... y data sample standard deviation

3 (minY) .......

y data minimum value

4 (maxY)......

y data maximum value

Press [ to return to the previous menu.

1234[

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Casio fx-7400G PLUS Basic Operation Instrukcja Użytkownika Strona 28