CHAPTER 6
Elementary Statistics
17
SHIFT
S-VAR
2
1
SHIFT
S-VAR
2
=
=
SHIFT
3
SHIFT
;
’
5
;
’
2
SHIFT
;
’
2
2
M+
6
7
SHIFT
;
’
2
9
M+
6
2
SHIFT
;
’
1
2
M+
7
7
SHIFT
;
’
1
6
M+
7
SHIFT
1
MODE
=
2
5
. An estimate of the mean is
6
. To find the standard deviation of weight, press
To input multiple entries of the same data, use
. For example, pressing
input the data 3, five times.
Press
to clear all statistics memory before performing the next
statistical calculation.
x
65.5
ËÁn
7.466592262
n=
SD
D
43
n=
SD
D
72
n=
SD
D
84
n=
SD
D
100
