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TI-83 Plus Inferential Statistics and Distributions 420
Input Description
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 containing the data you are testing
for the two-sample tests and intervals. Defaults are
L1
and
L2
, respectively.
Freq1
,
Freq2
The names of the lists containing 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
variances.
p
0
The expected sample proportion for
1
.
PropZTest
. Must be
a real number, such that 0 <
p
0
< 1.
x
The count of successes in the sample for the
1
.
PropZTest
and
1
.
PropZInt.
Must be an integer
‚
0.
n
The count of observations in the sample for the
1
.
PropZTest
and
1
.
PropZInt
. Must be an integer > 0.
x1
The count of successes from sample one for the
2
.
PropZTest
and
2
.
PropZInt
. Must be an integer
‚
0.