Download Calcula%ng SD for real people: Step 1: Find the mean Step 2

Calcula&ng
SD
for
real
people:
Step
1:
Find
the
mean
Step
2:
Subtract
the
mean
from
each
raw
score.
(Some
of
your
results
will
be
nega&ve
numbers.)
Step
3:
Square
each
number
in
Step
2.
(mul&ply
each
number
by
itself.
Remember:
two
nega&ves
make
a
posi&ve)
Step
4:
Find
the
mean
of
the
numbers
from
Step
3.(This
is
call
the
variance.
Now
you
have
more
jargon
to
impress
people.)
Step
5:
Take
the
square
root
of
the
result
in
Step
4.
(This
is
the
SD.)