HP 10bII User Manual

Keys: Display:
Qa»
0.00
@@(@@®(@(@@
100
CO(BXZe»(8900G9
2.00
COCOCDee»
(G9
3.00
ФОСЛ)
4.00
[m6] 184.25
ватт 82.75
[mcm
5,80
Om 471
eu
331.00
Description:
Clears statistical registers.
Enters height and weight of
player 1.
Enters height and weight of
player 2.
Enters height and weight of
player 3.
Enters height and weight of
player 4.
Calculates mean of heights (x).
Displays mean of weights ()).
Calculates population standard
deviation for heights (x).
Displays population standard
deviation for weights (у).
Displays thc total of ће y's.
Linear Regression and Estimation
the y-intercept.
Linear regression is a statistical method for estimation and
forecasting, It is used to find a straight line that best fits a
set of xy data. There must be at least two different xy
pairs. The straight line provides a relationship between the
x- and y-variables: y = mx + b, where m is the slope and bis
Linear Regression. Calculate э, b, and r (the correlation coefficient) as
follows:
1. Clear the statistical registers by pressing БӘСІ).
2. Enter the first x-value and press 68). The x-value is displayed.
3. Enter the corresponding y-value and press Œ). The НР 10BII
displays л, the number of pairs of items accumulated.
4. Continue entering x,y pairs. The #-value is incremented with each
entry.
5. To display P (the y-intercept), press OQA. Then press
to
display
»
(the
slope
of
the
line).
6. Press ENE to display 7, the correlation coefficient.
90 7: Statistical Calculations

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