Texas Instruments TI-73 - Manual (Page 63)

58
Using the TI-73: A Guide for Teachers Probability
© 1998 T EXAS I NSTRUMENTS I NCORPORATED
c. Starting from the first line in L 1
, enter the possible
points as shown in the screen at the right. (You’ll
get an error if
L 1
is still highlighted.) Press b
after each list item.
d. Follow the same procedure to enter the class data
into L 2
.
17. Now graph a histogram.
a. Access the STAT PLOTS menu.
- e (above the & key)
b. Make sure the other plots are off.
Q b
c. Select Plot 1 .
- e b
d. With the cursor blinking on the word On , select it.
b
e. Move to Type and select the histogram (second
row, second from left Ò).
# " " " " " b
f. Move to Xlist . If L 1
is not already set, set it to L 1
.
# - v b
g. Move to Freq . If L 2
is not already set, set it to L 2
.
# - v Z
Your screen should look like the one at the right.
h. Set up the viewing window.
'
Enter the numbers as shown in the screen at the
right. Use # to move down the fields.
Change
Ymax to match your class data.
Set Ymin to -50 so that both the values and the
graph show during tracing.
➪
Note that @ X is
determined by the TI-73,
depending on what is
entered for Xmin and
Xmax . Xscl represents the
width of the bar on the
histogram.