Key

Meaning

(Continued)

 

 

 

 

 

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.

 

 

 

 

 

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.

Height Frequency (cm)

1605

1653

1708

1752

1801

Statistics aplet

8-9