Statistical Calculations; Mean - HP 35s User Manual



Statistical Calculations

Once you have entered your data, you can use the functions in the statistics menus.
Menu
L.R.
y
x
,
s,
SUMS

Mean

Mean is the arithmetic average of a group of numbers.

Press
Õ
Press
ÕÕ
Press
the y–values as weights or frequencies. The weights can be integers or non–
integers.
12-4
Statistical Operations


Statistics Menus
Key
 
 
 
 
(  ) for the mean of the x–values.

( ) for the mean of the y–values.
(  
Description
The linear–regression menu: linear estimation
 ˆ  ˆ
and curve–fitting   . See ''Linear
Regression'' later in this chapter.
The mean menu:
 
below.
The standard–deviation menu:    .
See "Sample Standard Deviation" and
"Population Standard Deviation" later in this
chapter.
The summation menu:    
. See "Summation Statistics" later in this
chapter.
) for the weighted mean of the x–values using
Reenters the first data pair.
There is still a total of two
data pairs in the statistics
registers.
. See "Mean"
 
 
