Commands when Linear Regression Calculation (A+BX) Is Selected

With linear regression, regression is performed in accordance with the following model equation.

y = A + BX

The following are the commands that appear on the sub-menus that appear when you select 4(Sum), 5(Var), 6(MinMax), or 7(Reg) on the STAT menu while linear regression is selected as the statistical calculation type.

See Appendix <#060> for information about the calculation formula used for each command.

Sum Sub-menu (11(STAT)4(Sum))

Select this

When you want to obtain this:

menu item:

 

1Σx2

Sum of squares of the X-data

2Σx

Sum of the X-data

3Σy2

Sum of squares of the Y-data

4Σy

Sum of the Y-data

5Σxy

Sum of products of the X-data and Y-data

6Σx3

Sum of cubes of the X-data

7Σx2y

Sum of (X-data squares ⋅ Y-data)

8Σx4

Sum of biquadrate of the X-data

Var Sub-menu (11(STAT)5(Var))

 

 

Select this

When you want to obtain this:

menu item:

 

1n

Number of samples

2o

Mean of the X-data

3xσn

Population standard deviation of the X-data

4xσn–1

Sample standard deviation of the X-data

5p

Mean of the Y-data

6yσn

Population standard deviation of the Y-data

7yσn–1

Sample standard deviation of the Y-data

MinMax Sub-menu (11(STAT)6(MinMax))

Select this

When you want to obtain this:

menu item:

 

 

 

1minX

Minimum value of the X-data

2maxX

Maximum value of the X-data

 

 

3minY

Minimum value of the Y-data

 

 

4maxY

Maximum value of the Y-data

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