Texas Instruments TI-82 STATS User Manual

13–26 Inferential Statistics and Distributions
8250FC~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 1:39 PM Printed: 10/27/05 2:57
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
p
o
p
ulation 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 fre
q
uenc
y
values for the data
in List. Default=1. All elements must be integers | 0.
Calculate
/
Draw Determines the t
yp
e of out
p
ut to
g
enerate for tests and intervals.
Calculate dis
p
la
y
s the out
p
ut on the home screen. In tests, Draw
draws a graph of the results.
v, Sx, n Summar
y
statistics
(
mean, standard deviation, and sam
p
le size
)
for the one-sample tests and intervals.
s1 The known
p
o
p
ulation standard deviation from the first
p
o
p
ulation for the two-sam
p
le tests and intervals. Must be a real
numbe
r
>0.
s2 The known
p
o
p
ulation standard deviation from the second
p
o
p
ulation for the two-sam
p
le tests and intervals. Must be a real
numbe
r
>0.
List1, List2 The names of the lists containin
g
the data
y
ou are testin
g
for the
two-sam
p
le tests and intervals. Defaults are L1 and L2,
respectively.
Freq1, Freq2 The names of the lists containin
g
the fre
q
uencies for the data in
List1 and List2 for the two-sam
p
le tests and intervals.
Defaults=1. All elements must be integers | 0.
v1, Sx1, n1, v2,
Sx2, n2
Summar
y
statistics
(
mean, standard deviation, and sam
p
le size
)
for sam
p
le one and sam
p
le two in the two-sam
p
le tests and
intervals.
Pooled S
p
ecifies whether variances are to be
p
ooled for 2.SampTTest
and 2.SampTInt. No instructs the TI-82 STATS not to
p
ool the
variances. Yes instructs the TI-82 STATS to pool the variances.
Inferential Statistics Input Descriptions

Texas Instruments TI-82 STATS Specifications

General

Type	Graphing Calculator
Display	LCD
Resolution	96 x 64 pixels
Characters	16 x 8
Processor	Zilog Z80
Programming	TI-BASIC
Memory	28 KB RAM
Power	4 AAA batteries
Connectivity	Link port