Regression Coefficient A = –35.59856934

A Xr r 1 =

Regression Coefficient B = 1.495939413

A Xr r 2 =

Regression Coefficient C = – 6.71629667

10 –3

 

 

A Xr r 3 =

n when xi is 16 = –13.38291067

16 A Xr r r 3 =

m1 when yi is 20 = 47.14556728

20 A Xr r r 1 =

m2 when yi is 20 = 175.5872105

20 A Xr r r 2 =

Data Input Precautions

•S Sinputs the same data twice.

•You can also input multiple entries of the same data us- ing A G. To input the data “20 and 30” five times, for example, press 20 P30 AG5 S.

•The above results can be obtained in any order, and not necessarily that shown above.

•Precautions when editing data input for standard devia- tion also apply for regression calculations.

Technical Information

kWhen you have a problem......

If calculation results are not what you expect or if an error occurs, perform the following steps.

1.Press A B2(Mode) = to initialize all modes and settings.

2.Check the formula you are working with to confirm it is correct.

3.Enter the correct mode and try performing the calcula- tion again.

If the above steps do not correct the problem, press the

5key.The calculator performs a self-check operation and deletes all data stored in memory if any abnormality is detected. Make sure you always keep written copies of all important data.

kError Messages

The calculator is locked up while an error message is on

32