Texas Instruments TI-83 Guide Book

Inferential Statistics and Distributions 13-25
8313INFE.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:47 PM Printed: 02/19/01 1:38 PM
Page 25 of 36
ANOVA( (one-way analysis of variance; item F) computes a
one-way analysis of variance for comparing the means of
two to 20 populations. The
ANOVA
procedure for
comparing these means involves analysis of the variation
in the sample data. The null hypothesis H
0
:
m
1
=
m
2
=...=
m
k
is
tested against the alternative H
a
: not all
m
1
...
m
k
are equal.
ANOVA(
list1
,
list2
[
,
...
,
list20
]
)
In the example:
L
1
={7 4 6 6 5}
L
2
={6 5 5 8 7}
L
3
={4 7 6 7 6}
Input:
,
Calculated results:
Note:
SS
is sum of squares and
MS
is mean square.
ANOVA(

Texas Instruments TI-83 Specifications

General

Programming	TI-BASIC
Processor	Zilog Z80, 6 MHz
Weight	7.4 oz (210 g)
Display	96x64 pixels, monochrome LCD
Power Source	4 AAA batteries, 1 CR1616 or CR1620 for backup
Memory	32 KB RAM
Connectivity	2.5mm I/O port for linking with other TI calculators