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Statistics aplet 10-9
To continue our example, suppose that the heights of the
rest of the students in the class are measured, but each
one is rounded to the nearest of the five values first
recorded. Instead of entering all the new data in C1, we
shall simply add another column, C2, that holds the
frequencies of our five data points in C1.
Displays the current variable
expression in standard
mathematical form. Press when
done.
Evaluates the variables in the
highlighted column (C1, etc.)
expression.
Displays the menu for entering
variable names or contents of
variables.
Displays the menu for entering math
operations.
Deletes the highlighted variable or
the current character in the edit line.
CLEAR Resets default specifications for the
data sets or clears the edit line (if it
was active).
Note: If
CLEAR is used the
data sets will need to be selected
again before re-use.
Key Meaning (Continued)
Height
(cm)
Frequency
160 5
165 3
170 8
175 2
180 1
hp40g+.book Page 9 Friday, December 9, 2005 1:03 AM