©2007 Key Curriculum Press
Discovering Algebra Calculator Notes for the Texas Instruments TI-83 and TI-83/84 Plus
11
TI-83 and TI-83/84 Plus
(continued)
Note 1C • Median and Mean
Enter the data into a list, and return to the Home screen by pressing
[QUIT]
.
(See Note 1B if you don’t remember how to enter data into a list. The screen
here uses the same data as the first list entered in Note 1B.)
a. Press
[LIST]
and arrow over to
MATH
.
b. Choose
4:Median(
or
3:Mean(
.
c. Press
[L
1
]
(or whichever list contains the data) and close
the parentheses.
d. Press
to find the value.
You can also calculate all the statistical values of a data set at once, including
the median, mean, and the five summary values.
a. Press
and arrow over to
CALC
.
b. Choose
1:1–Var Stats
.
c. Press
[L
1
]
(or whichever list contains the data).
d. Press .
ENTER
2nd
STAT
ENTER
2nd
2nd
2nd
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