HP 49g Graphing Calculator - Manual (Page 171)

You specify the column of data within the matrix to analyze.
To calculate single-variable statistics, use the following procedure;
1. Use the method described in “Starting an application and specifying
the data” on page 9-2 to open the Single-variable statistics input form
and to load the data to analyze.
2. In the Col field, enter the number of the matrix column that holds the
data you want to analyze.
3. In the Type field, press
CHOOS
and select the type of statistical data to
measure:
- Select
SAMPLE
if your data represents a sample of the population.
- Select
POPULATION
if your data represents the entire population.
4. Place the cursor in a field for a statistic that you want to calculate and
press
CHK.
Repeat for other statistics you want to calculate.
5. Press
OK.
The values you selected are calculated and displayed in a list
in history.
The following single-variable statistics can be calculated:
Mean Returns the arithmetic mean.
Std Dev Returns the standard deviation.
Variance Depending on the type that you selected, returns either the
sample variance or the population variance.
Total Returns the sum of the data.
Maximum Returns the largest value in the data.
Minimum Returns the smallest value in the data.
Single-variable statistics
Using statistics Page 9-3