Texas Instruments TI-73 User Manual

Page 79

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74

Using the TI-73: A Guide for Teachers

Pr

obability and Statistics

© 1998 T

EXAS

I

NSTRUMENTS

I

NCORPORATED

g. Move to

Data List

. If

L

3

is not already set, set it to

L

3

.

# - v [ b

h. Continue setting up the plot. Your screen should

look like the screen at the right. Press b at

Vert

and at the

$

icon.

Scale

tells the TI-73 the

value or quantity each icon

represents. The display

shows a maximum of 7

icons. Choose your scale

based on the largest

number in your data list, or

you can select (

7:ZoomStat

and the TI-73

will select a scale for you.

The largest data number

divided by the scale must

be less than or equal to 7.

For example, if the largest

data number is 21 then

chose a scale of 3 because

21/3



7.

11. View the pictogram.

*

12. Now move around the graph and see the data.

)
! and " to view data

13. Have students sketch their graphs on paper for their

report. (If you have TI-73

TI-GRAPH LINK

é

, students

may print their graphs to color and label.)

14. Make a bar graph on the TI-73 showing the frequency

results of the polls.

a. Access the

STAT PLOTS

menu.

- e (above the & key)

b. Make sure the other plots are off.

Q b

c. Select

Plot 2

.

- e Z b

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