HP 38g Graphing Calculator - Manual (Page 112)

One-Variable Data
Press I LIB I and select Statistics. Press {{START}} or To enter TVAR
data
NUM
1,
2. Set one-variable {{IVAR»}} statistics. This menu key is a
toggle; pressing IVAR changes it to 2VAR and vice-versa.
3. Enter each value and press | enter ] . Put all the values for
the same data set in the same column.
Entering frequencies: If a value occurs more than
once, you can use another column to record its
frequency, rather than entering multiple copies of that
value. For instance. Cl could be height values, while C2
could be the number of children of each height. Each
cell in Cl would be paired with the adjacent cell in C2
for its frequency.
Cl C2 C3 C4
5
3
i
1
52
■saicaBMimraESEQasias
4. After entering the data values in the Numeric view, press
ISYMBI to switch to the Symbolic view.
5-6 Statistics