HP 10bII - Statistical Calculations

Statistical Calculations
The Πand QE) keys are used to enter and delete data
for one- and two-variable statistics. Summation data is
stored in memory. The labels above the @ to (9) keys
indicate what summation data is stored. Once you enter the
data, you can use the statistical functions to calculate the
following:
= Mean and standard deviation.
в Lincar regression statistics.
= Linear estimation and forecasting.
m Weighted mean.
m Summation statistics: л, Хх, Zo? Ly, Dy’, and Lay.
Clearing Statistical Data
Clear the statistical registers before entering new data. If
you don't clear the registers, data currently stored is
automatically included in the summation calculations. To
clear the statistical registers, press CQ UD). The display is
also cleared.
7: Statistical Calculations 85