Statistics-At A Glance - HP 10BII Owner's Manual

Statistics—At a Glance...
Clear statistical registers.
number ΠEnter one-variable statistical data.
number OE) Delete one-variable statistical data.
number? 663) number2 ΠEnter two-variable statistical data.
number! бл) number2 QE) — Delete two-variable statistical data.
овес Means of x and у
OB Mean of x weighted by у
Qv Sample standard deviations of x and у.
севә Population standard deviations of х and у
value Estimate of x and correlation coefficient.
x-value Cai) Estimate of x
(Dev) intercept and slope.
Using the following data, find the means of x and у, the sample standard
deviations of x and у, and the y-intercept and the slope of the linear
regression forecast line. Then, use summation statistics to find » and Ex.
N
x data 4 | 6
y-data 50 90 160
Ata Glance... 19