Statistics:
Assignment
1.20
SOLUTIONS
Find
the
following:
4
m?
5
X249
2,5(=1(4k
-
3)
m=1
E
x=1
4
k|4k—=3||m
|
m3
|
m3
x
|
x2
|x?+9|
x*?+9
20
4
1
1
1
1
0.05
1
1
10
2.50
2
5
2
8
0.40
2
4
13
3.25
3
9
3|
27
1.35
3
9
18
4.50
4
13
4
|
64
3.20
4
|
16
25
6.25
S
17
5
1|
25
34
8.50
2
45
2
5.00
2
25.00
x%+9
Yi=1(4k
—3)
=45
Yy
=25
3
4
m
-
m=129
>
The
columns
shown
in
gray
are
not
necessary,
but
some
might
find
it
helpful
to
evaluate
the
expressions
one
part
at
a
time.
Note
that
some
zeros
are
included
in
the
decimal
numbers
which
are
not
contributing
mathematically,
but
help
to
keep
the
columns
neat.
Try
to
keep
the
number
of
decimal
places
shown
consistent
throughout
a
table.