fx-991EX Quick Start Guide20
The fx-991EX can calculate several one-variable statistics, and also analyze relationships between two data sets
using various regression models.
From the Main Menu, use the arrow keys to highlight the
Statistics icon, then press p or press 6.
On the resulting menu, select 1 for “1-Variable” statistics.
A data entry screen appears.
This example uses the following list of some students’ heights,
given in inches: 70.5, 74, 67, 71, 71, 72, 73.5, 72, 69, 71.
Enter data by typing in each value one at a time, with each
followed by the p key.
70.5p, 74p, etc.
To calculate the 1-Variable statistics for this data set,
press i3(1-Variable Calc).
STATISTICS
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