HP 10B - Manual (Page 89)

Entering Statistical Data
There is no limit to the number of values you can accumulate in the
statistical registers. *
One-Varfable Statistics
To enter jc data for one-variable statistics complete the following steps:
1 . Clear the contents of through R 9 by pressing BlcL zl.
2. Enter the first value and press (13. T'hc HP-lOB displays n, the
number of items accumulated.
3.
Continue accumulating values by entering the numbers and pressing
d+). The n-valuc is incremented with each entry,
Two-Variable Statistics and Weighted Mean
To enter xj’ pairs of statistical data complete these steps:
1. Clear the contents of R 4 through R 9 by pressing BICL Zl.
2. Enter the first x-valuc and press lINPUTl. The HP-lOB displays the
x-valuc and the : annunciator appears in the display.
3. Enter the corrcspondingy-valuc and press (13. The HP-lOB
displays n, the number of pairs of items accumulated,
4.
Continue cnlcringXjV pairs. The n-valuc is incremented with each
entry.
To enter data for calculating the weighted mean» enter each data value as
X, and its corresponding weight asy.
If siaiisiical data causes the value of a register to exceed ±9.99999999999 x 10 , the
HI’-lOB displays a temporary o%erfk)tt’W'aming(OFLO).
86 7: Statistical Calculations