The previous results can be obtained in any
order, and not necessarily that shown above.
Population Standard
Deviation
n
å
s
=
=
i
n
Making Corrections during Data Input
Example 1: How to change the data you have just
input.
Correct
(
(
(
(
-
2
(
x
x
)
i
1
n
Arithmetic Mean
Actual
)
(
)
)
)
Sample Standard
Deviation
s
-
n
1
n
å
x
i
=
x
=
i
1
n
Correction
)
32
n
å
-
(
x
i
=
=
i
1
-
n
1
(
)
(
)
(
(
2
x
)
)
)