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Sharp EL-9900 User Manual

Page 104

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7

Advanced Keyboard/STATISTICS USING THE SHARP EL-9900

Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.

Steps for creating a weighted data set's box-and-whisker chart

1.

Press STAT to enter the statistics menu. Delete old data and enter the

following data set in L1 using weights in L2:

1

1

1

2

2

2

2

3

4

4

2.

To construct a box-and-whisker chart, first press STAT PLOT

A

ENTER . Press ENTER to turn PLOT1 on. Press

▼ ENTER to choose

one-variable data. Press

▼ 2ndF L1 ENTER to enter L1 as the data

list. Set the frequency prompt to L2 by pressing 2ndF L2 ENTER .

Set the graph to a box-and-whisker chart by pressing STAT PLOT E (BOX)

1 Box.

3.

In the example, the data is discrete with a smallest value of 1 and a largest

value of 4. Set the viewing window to 0 < x < 5 with Xscl = 1. Next, set the

vertical axis to 0 < y < 1 with Yscl = 1.

4.

To view the box-and-whisker chart for the data, press GRAPH .

5.

Press TRACE followed by and to view the five values making up the

box-and whisker chart.

6.

Turn PLOT1 off by pressing STAT PLOT ENTER ENTER

2ndF QUIT .

OTHER GRAPHICAL PORTRAYALS OF A
ONE-VARIABLE DATA SET