HP 10bII+ User Manual page 123

When the calculator switches to register-based mode, some key points to consider:
• You may enter an unlimited number of data points.
• The statistics editor, accessed with
• While use of
• The only regression mode available is a linear regression.
One-Variable Statistics
To enter x-data for one-variable statistics complete the following steps:
1. Clear the statistical registers by pressing
2. Enter the first value and press
accumulated.
3. Continue accumulating values by entering the numbers and pressing
is increased with each entry.
Two-Variable Statistics and Weighted Mean
To enter x,y pairs of statistical data complete these steps:
1. Clear the statistical registers by pressing
2. Enter the first x-value and press
3. Enter the corresponding y-value and press
of pairs of items accumulated.
4. Continue entering x,y pairs. The n-value is increased with each entry.
To enter data for calculating the weighted mean, enter each data value as x, and its
corresponding weight as y in the statistics memory. Press
mean.
v¡
\¢
is allowed, viewing previously entered data is not possible.
¡
. The HP 10bII+ displays n, the number of items
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Figure 3
, is not available.
\t
.
\t
.
. The HP 10bII+ displays the x-value.
¡
. The HP 10bII+ displays n, the number
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. The n-value
to calculate the weighted
Statistical Calculations 115