Casio fx-9860GII User Manual

Using a graphic display calculator
© Oxford University Press 2012: this may be reproduced for class use solely for the purchaser’s institute
Casio fx-9860GII
5.8 Calculating statistics from a frequency table
Example 47
Calculate the summary statistics for this data:
Number 12345
Frequency 34652
Enter the data in List 1 and List 2 (see Example 41).
Press
F2
CALC and
F6
SET.
Leave the 1 variable statistics default value for XList as List 1 and change
Freq to List 2.
You should see this display.
Press
EXIT
and press
F1
to select 1 VAR.
The information shown will not fi t onto a single screen.
You can scroll up and down to see it all.
The statistics calculated for the data are:
mean
x
sum ∑ x
sum of squares ∑ x
2
population standard deviation
σ x
sample standard deviation Sx
number n
minimum value minX
lower quartile Q
1
median Med
upper quartile Q
3
maximum value maxX
mode Mod
number of data mode items Mod:n
data mode frequency Mod:F
44

Casio fx-9860GII Specifications

General

Type	Graphing
Form factor	Desktop
Control type	Buttons
Product color	Silver
Housing material	Plastic
Built-in capability	Yes
Digits	- digits
Display type	LCD
Second display	No
Display tilting	-
Display resolution	64 x 128 pixels
Display character size	8 x 21 mm
Display number of lines	8 lines
Display number of characters	21
Flash memory	1.5 MB
RAM capacity	0.064 MB
Storage media type	Flash
Battery type	AAA
Power source	Battery
Number of batteries supported	4