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Statistical Calculations - HP 10bII+ User Manual

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12

Statistical Calculations

The 10bII+ allows you to enter data for one- and two-variable statistics easily. Once data is
entered, you can use the statistical functions to calculate the following:
Mean and standard deviation
Regression statistics or a best fit
Estimation and forecasting
Weighted mean
Summation statistics: n,
Table 12-1 Statistics keys
Keys
\t
¡
x-value
x-value
Æ
x-value
y-value
Æ
x-value
y-value
\k\«
\T\«
\h\«
\e\«
\Z\«
\W\«
]L
2
Σ Σ
Σ Σ
,
x,
x
y,
Description
Clear statistics memory.
Enter one-variable statistical data.
Delete one-variable statistical data.
¡
Enter two-variable statistical data.
Delete two-variable statistical data.
Opens editor for reviewing or editing statistical data.
Means of x and y.
Mean of x weighted by y. Also calculates b coefficient.
Sample standard deviations of x and y.
Population standard deviations of x and y.
Estimation of x. Also calculates r correlation coefficient.
Estimation of y. Also calculates slope and m coefficient.
Permits selection of six regression models or a best fit. Default is
linear.
2
Σ
, and
y
xy.
Statistical Calculations 113

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