Casio STAT 2 Bedienungsanleitung PDF herunterladen

Beginning statistics 2 with the Casio fx-82AU PLUS

Setting your calculator to work with scores and frequencies

Turn your calculator on and press MODE then 2to set the calculator to the statistics mode. Press 1(1-

VAR) to select 1 variable statistics. Now you will see columns for the scores and another for

frequencies. If you don’t see the two columns press SHIFT SETUP then scroll down to the next screen.

Press 3: STAT and turn the frequency column on by pressing 1 for 1: ON.

1. Enter each score in the following table and press p after each score. When you have

completed the scores move to the frequency column and type the frequencies over each 1.

Remember to press the equals key after each entry. When you have finished entering all the

scores and frequencies, press AC.

Scores Frequency

7 15

8 24

9 37

10 16

11 5

Hint!

Don’t worry if you type a wrong

number. Go back to the wrong number

and type over it with the correct

number.

a Press SHIFT 1 then 4 (4: Var). What is the mean, to 2 decimal places? [Press 2 then =.]

b Press SHIFT 1 then 4 again and record the standard deviation, σ

to 2 decimal places.

[Press 3 then =.]

c Press SHIFT 1 then 4 to find the sample standard deviation, σ

n-1

to 2 decimal places.

[Press 4 then =.]

d Press SHIFT 1 then 4 again, then press 1 followed by = to determine the total

number of scores, n.

2. Clear the scores then enter the following data into the frequency table.

Scores Frequency

16 41

17 65

18 23

19 11

20 5

Hint!

The easiest way to clear all the

scores is to press MODE 2.

a Calculate the mean ( ) of the scores correct to 1 decimal place.

b What is the standard deviation (σ

) correct to 2 decimal places?

c How many scores (n) are there?

Answers

1 2

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Beginning statistics 2 with the Casio fx-82AU PLUS Setting your calculator to work with scores and frequencies Turn your calculator on and press MODE

Seite 2

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Casio STAT 2 Bedienungsanleitung

Stöbern Sie online oder laden Sie Bedienungsanleitung nach Software Casio STAT 2 herunter. Beginning statistics 2 with the Casio fx Benutzerhandbuch

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