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Using the TI-73: A Guide for Teachers

Probability and Statistics

g. Move to Data List. If L3 is not already set, set it to

L3.

# - 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.

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 LINKé, 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.

Qb

c.Select Plot 2.

-e Z b

➪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.

© 1998 TEXAS INSTRUMENTS INCORPORATED