HP 10bII User Manual

Correcting Statistical Data
Incorrect entries can be deleted using CX. If either value of an xy pair
is incorrect, you must delete and reenter both values.
Correcting One-Variable Data
To delete and reenter statistical data:
1. Key in the x-value to be deleted.
2. Press QE) to delete the value. The z-value is decreased by one.
3. Enter the correct value using (29).
Correcting Two-Variable Data
To delete and reenter x,y pairs of statistical data:
1. Key in the x-value, press and then key in the y-value.
2. Press QE) to delete the values. The z-value is decreased by one.
3. Enter the correct х,у pair using @) and (£9).
Summary of Statistical Calculations
Some functions return two values. The STAT annunciator indicates that
two values have been returned. Press to see the hidden value.
Keys Description | © to Display |
Ow Arithmetic mean Mean (average) of the
(average) of the x-values.|_y-values if you entered
ydan.
ее Mean of the x-values
weighted by the y-values.
Sample standard Sample standard
deviation of the x- deviation of ће y-values
values.* if you entered _y-data.*
7: Statistical Calculations 87

HP 10bII Specifications

General

Digits	12 digits
Display type	LCD
Display tilting	No
Display size (HxV)	16 x 63.5 mm
Display number of lines	1 lines
Display number of characters	12
Type	Financial
Form factor	Pocket
Control type	Buttons
Product color	Black, Grey
Battery life	1 year(s)
Battery type	CR2032
Power source	Battery
Auto power off	Yes
Auto power off after	5 min
Number of batteries supported	2
Operation	170
Memory registers	22
Storage media type	-

Weight and Dimensions

Depth	145 mm
Width	80.9 mm
Height	14 mm
Weight	85 g