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Finding The Standard Deviation; Finding The Variance; Paired-sample Statistics - HP -28S Manual

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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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