Casio fx-7400G PLUS Statistical Graphs and Calculations Instrukcja Użytkownika Pobierz pdf (Strona 12)

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Chapter 7 Statistical Graphs and Calculations

[

1 (Log) ......... Logarithmic regression

2 (Exp) ......... Exponential regression

3 (Pwr) ......... Power regression

4 (2VAR) ...... Paired-variable statistical results

Press [ to return to the previous menu.

k Displaying Statistical Calculation Results

Whenever you perform a regression calculation, the regression formula parameter

(such as

a and b in the linear regression y = ax + b) calculation results appear on the

display. You can use these to obtain statistical calculation results.

Regression parameters are calculated as soon as you press a function key to select

a regression type while a graph is on the display.

Example To display logarithmic regression parameter calculation results

while a scatter diagram is on the display

[1(Log)

k Graphing statistical calculation results

You can use the parameter calculation result menu to graph the displayed regres-

sion formula.

3 (COPY)..... Stores the displayed regression formula as a graph function

4 (DRAW) .... Graphs the displayed regression formula

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Casio fx-7400G PLUS Statistical Graphs and Calculations Instrukcja Użytkownika Strona 12