Casio FX-CG10 Manual de usuario descargar pdf (Pagina 218)

100

101

6-25

• Power Regression ..........................

• Sin Regression ...............................

• Logistic Regression ........................

u Estimated Value Calculation for Regression Graphs

The Statistics mode also includes a Y-CAL function that uses regression to calculate the

estimated y -value for a particular x -value after graphing a paired-variable statistical

regression.

The following is the general procedure for using the Y-CAL function.

1. After drawing a regression graph, press !5(G-SOLVE) 1(Y-CAL) to enter the graph

selection mode, and then press w.

If there are multiple graphs on the display, use f and c to select the graph you want,

and then press w.

• This causes an

x -value input dialog box to appear.

2. Input the value you want for x and then press w.

• This causes the coordinates for

x and y to appear at

the bottom of the display, and moves the pointer to the

corresponding point on the graph.

3. Pressing v or a number key at this time causes the

x -value input dialog box to reappear

so you can perform another estimated value calculation if you want.

• The pointer does not appear if the calculated coordinates are not within the display range.

• The coordinates do not appear if “Off” is specified for the “Coord” item of the Setup screen.

Se =

n – 2

i=1

(ln y

– (ln a + b ln x

))

Se =

n – 2

i=1

(ln y

– (ln a + b ln x

))

Se =

n – 2

i=1

(yi – (a sin (bxi + c) + d ))

Se =

n – 2

i=1

(yi – (a sin (bxi + c) + d ))

Se =

n – 2 1 + ae

–bx

i=1

–

Se =

n – 2 1 + ae

–bx

i=1

–

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Casio FX-CG10 Manual de usuario Pagina 218

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