
Regression Coefficient C = – 6.71629667 10 
| 
 | A Xrr 3 | = | 
| n when xi is 16 =  | 16 AXr rr 3 | = | 
| m1 when yi is 20 = 47.14556728 | 20 AXr rr 1 | = | 
| m2 when yi is 20 = 175.5872105 | 20 AXr rr 2 | = | 
Data Input Precautions
•S Sinputs the same data twice.
•You can also input multiple entries of the same data using 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 AB 2(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 
kError Messages
The calculator is locked up while an error message is on the display. Press t to clear the error, or press eor r to display the calculation and correct the problem. See “Error Locator” for details.