Casio FX-100D Bedienungsanleitung PDF herunterladen (Seite 14)

FX 115 MS Training guide

Regression

Use the [MODE] key to enter the Regression (REG) mode when you want to perform statistical

calculations using regression. [MODE] [MODE] [2]

When you enter Regression mode, you can select from 6 types of regression:

Linear regression [1] (Lin)

Logarithmic regression [2] (Log)

Exponential regression [3] (Exp)

Power regression → [1] (Pwr)

Inverse regression → [2] (Inv)

Quadratic regression → [3] (Quad)

• To clear statistical memory, press [SHIFT] [CLR] [1] [=].

• To enter data, use the following key sequence: <x data> , <y data> [DT]

• The values produced by a regression calculation depend on the values input.

Results can be recalled using the following:

∑ x

[SHIFT] [S-SUM] [1]

∑ x [SHIFT] [S-SUM] [2]

n [SHIFT] [S-SUM] [3]

∑ y

[SHIFT] [S-SUM] → [1]

∑ y [SHIFT] [S-SUM] → [2]

∑ xy [SHIFT] [S-SUM] → [3]

Mean of the x data [SHIFT] [S-VAR] [1]

Population standard deviation (x) [SHIFT] [S-VAR] [2]

Sample standard deviation (x) [SHIFT] [S-VAR] [3]

Mean of the y data [SHIFT] [S-VAR] → [1]

Population standard deviation (y) [SHIFT] [S-VAR] → [2]

Sample standard deviation (y) [SHIFT] [S-VAR] → [3]

Regression coefficient A [SHIFT] [S-VAR] → → [1]

Regression coefficient B [SHIFT] [S-VAR] → → [2]

For regression calculations other than quadratic regression:

Correlation coefficient r [SHIFT] [S-VAR] → → [3]

Estimate x [SHIFT] [S-VAR] → → → [1]

Estimate y [SHIFT] [S-VAR] → → → [2]

For quadratic regression:

∑ x

[SHIFT] [S-SUM] → → [1]

∑ x

y [SHIFT] [S-SUM] → → [2]

∑ x

[SHIFT] [S-SUM] → → [3]

Regression coefficient C [SHIFT] [S-VAR] → → [3]

Estimate x

[SHIFT] [S-VAR] → → → [1]

Estimate x

[SHIFT] [S-VAR] → → → [2]

Estimate y [SHIFT] [S-VAR] → → → [3]

References the Casio FX-115 MS User’s Guide Casio FX-115MS Scientific calculator

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