Casio fx-100AU PLUS User Manual download pdf (Page 12)

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Press 1 to turn a frequency column ON or 2 to turn the frequency column OFF.

Example

Find the summary statistics for the following set of scores:

4, 6, 2, 8, 3, 9, 12, 6, 4 and 5.

Step 1

Set the calculator to the STAT mode and press 1 for 1-variable statistics. IF necessary follow the

preceding instructions to turn off the frequency column.

Step 2

Press 4 followed by =, 6=2= and so on until you have pressed 5=. If you make a

mistake, don’t worry. Simply scroll up to the incorrect value and type over it. If you’ve left out a score

just put it at the end. If you’ve put in an additional score, highlight the score and press o. The

incorrect score will be removed and all the following scores will be moved up one position.

Step 3

When you have finished entering the scores press AC to indicate that you have completed the data entry

stage. Do NOT panic when the scores disappear! The data entry screen will disappear but it can be

brought back if required.

Step 4

The summary statistics are the second function on the number 1. Press q1.

Fx-82AU PLUS II fx-100AU PLUS

Type: returns you to the initial screen which is illustrated at the top of page 10

Data: Returns you to the data entry screen

Sum: provides the sum of the scores and the sum of the squares of the scores

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Casio fx-100AU PLUS User Manual Page 12