Finding
the
Standard Deviation
Calculate
the
standard
deviation.
SOEV
3:
5.00
2:
[8.10
9.40
7.00
]
1:
[2.27
5.80
1.14
]
IIIlI:.lIIJlCImDlIilUIImmlDl:S
The
sample
standard
deviation for CPI is 2.27, for PPI is 5.8,
and
for
UR
is 1.14.
Finding
the
Variance
Calculate
the
variance.
VAR
3:
[8.10
9.40
7.00
]
2:
[2.27
5.80
1.14
]
1:
[5.17
33.64
1.30
]
IIIlI:.lIIJlCImDlIilUIImmlDl:S
The
sample
variance for CPI is 5.17, for PPI is 33.64,
and
for
UR
is
1.3.
Paired-Sample
Statistics
In
this section you'll find
the
correlation
and
covariance
of
CPI
and
PPI,
then
use a
linear
regression model to predict values
of
PPI from
values
of
CPI.
Display
the
third
row
of
the
STAT
menu.
~--~~~~~~~=-~~
[ NEXT I
3:
[8.
10
9.
40
7.
00
]
2:
[2.27
5.80
1.14
]
1:
[5.17
33.64
1.30
]
mHmDllRi.mm.lmIlI_
Here
are
the
commands
for correlation, covariance, linear regression,
and
predicted
value.
12:
Statistics
135
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