Statistical Calculation (STAT)

All calculations in this section are performed in the STAT Mode (N3).

Selecting a Statistical Calculation Type

In the STAT Mode, display the statistical calculation type selection screen.

kStatistical Calculation Types

Key

Menu Item

Statistical Calculation

1

1-VAR

Single-variable

 

 

 

2

A+BX

Linear regression

3

_+CX2

Quadratic regression

4

In X

Logarithmic regression

5

e^X

e exponential regression

6

A•B^X

ab exponential regression

7

A•X^B

Power regression

8

1/X

Inverse regression

kInputting Sample Data

Displaying the STAT Editor Screen

The STAT editor screen appears after you enter the STAT Mode from another mode. Use the STAT menu to select a statistical calculation type.To display the STAT editor screen from another STAT Mode screen, press 11(STAT)2(Data).

STAT Editor Screen

There are two STAT editor screen formats, depending on the type of statistical calculation you selected.

STAT

 

STAT

 

 

 

Single-variable Statistics

Paired-variable Statistics

•The first line of the STAT editor screen shows the value for the first sample or the values for their first pair of samples.

FREQ (Frequency) Column

If you turn on the Statistical Display item on the calculator’s setup screen, a column labeled “FREQ” will also be included on the STAT editor screen.

E-44