HP 39g+ Graphing Calculator Guida Utente Scaricare il pdf (Pagina 103)

Statistics aplet 8-9

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

1 2 ... 98 99 100 101 102 103 104 105 106 107 108 ... 293 294

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HP 39g+ Graphing Calculator Guida Utente Pagina 103