Texas Instruments TI-83 Guide Book

13-26 Inferential Statistics and Distributions
8313INFE.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:47 PM Printed: 02/19/01 1:38 PM
Page 26 of 36
The tables in this section describe the inferential statistics inputs discussed in
this chapter. You enter values for these inputs in the inferential stat editors.
The tables present the inputs in the same order that they appear in this
chapter.
Input Description
m
0
Hypothesized value of the population mean that you are
testing.
s
The known population standard deviation; must be a real
number > 0.
List
The name of the list containing the data you are testing.
Freq
The name of the list containin
g
the frequency values for the
data in
List
. Default=1. All elements must be integers
|
0.
Calculate
/
Draw
Determines the type of output to
g
enerate for tests and
intervals.
Calculate
displays the output on the home screen.
In tests,
Draw
draws a graph of the results.
v
,
Sx
,
n
Summary statistics
(
mean, standard deviation, and sample
size) for the one-sample tests and intervals.
s
1
The known population standard deviation from the first
population for the two-sample tests and intervals. Must be
a real number > 0.
s
2
The known population standard deviation from the second
population for the two-sample tests and intervals. Must be
a real number > 0.
List1
,
List2
The names of the lists containin
g
the data you are testin
g
for the two-sample tests and intervals. Defaults are
L
1
and
L
2
, respectively.
Freq1
,
Freq2
The names of the lists containin
g
the frequencies for the
data in
List1
and
List2
for the two-sample tests and
intervals. Defaults=1. All elements must be integers
|
0.
v
1
,
Sx1
, n
1
,
v
2
,
Sx2
, n
2
Summary statistics
(
mean, standard deviation, and sample
size
)
for sample one and sample two in the two-sample
tests and intervals.
Pooled
Specifies whether variances are to be pooled for
2
.
SampTTest
and
2
.
SampTInt
.
No
instructs the TI
.
83 not to
pool the variances.
Yes
instructs the TI
.
83 to pool the
v
ariances.
Inferential Statistics Input Descriptions

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