CHAPTER 4. STATISTICAL MODE
Given a data set, the calculator’s STAT function can be used to calculate certain statistical
values such as the average (mean), standard deviation and the equation of a linear line.
Change to the stat mode.
Press
MODE 1, 0
0 . 0 0
T A B D E G S T A T
0
S t a t
appears on the screen.
4.1 Mean
• Determine the mean of the following values: 25; 30; 26; 15; 40; 35
Key the data in
25 DATA
The calculator displays
1 . 0 0
T A B D E G S T A T
D A T A S E T =
This means that it accepted the first data point. Keep on entering the data until the
last one. 6 should be displayed.
30 DATA
26 DATA
15 DATA
40 DATA
35 DATA
Calculate the mean.
32
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