Transcript ppt

Comparing Graphs
There is are some fine details that you
must be aware of when interpreting data
h
Month
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Month
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
Compare these two
precipitation graphs.
What conclusions can
you make about the
precipitation for these
two areas?
Average Precipitation (cm)
h
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
Average Precipitation (cm)
Precipitation for Chicago USA
10
8
6
4
2
0
Precipitation for Tomsk, Russia
7
6
5
4
3
2
1
0
h
Month
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
Compare these two
precipitation graphs.
What conclusions can
you make about the
precipitation for these
two areas?
Average Precipitation (cm)
h
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
Average Precipitation (cm)
Precipitation for Chicago USA
10
8
6
4
2
0
Precipitation for Sacramento USA
Month
10
8
6
4
2
0
h
Month
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Month
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
Compare these two
precipitation graphs.
What conclusions can
you make about the
precipitation for these
two areas?
Average Precipitation (cm)
h
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
Average Precipitation (cm)
Precipitation for Chicago USA
10
8
6
4
2
0
Precipitation for Topeka, USA
30
25
20
15
10
5
0
h
Month
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
Now, take a look at
the scale for each
graph. What do
you notice?
Average Precipitation (cm)
h
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
Average Precipitation (cm)
Precipitation for Chicago USA
10
8
6
4
2
0
Month
Precipitation for Tomsk, Russia
7
6
5
4
3
2
1
0
h
Month
Se
pt
em
be
r
O
ct
ob
er
N
ov
em
be
r
D
ec
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Month
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
Now, take a look at
the scale for each
graph. What do
you notice?
Average Precipitation (cm)
h
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
Average Precipitation (cm)
Precipitation for Chicago USA
10
8
6
4
2
0
Precipitation for Topeka, USA
30
25
20
15
10
5
0
Comparison Graphing
 In order for you to accurately compare
graphs of this nature, you must keep the
scales the same.
 Otherwise, you might incorrectly analyze
your data.
 Let’s take a look at the two graphs again…
Adapted from Slides by
Mr. Armfield Science
Department Deerfield HS, Deerfield IL
h
Month
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Month
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
First set of graphs
with different
scales for each.
Average Precipitation (cm)
h
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
Average Precipitation (cm)
Precipitation for Chicago USA
10
8
6
4
2
0
Precipitation for Tomsk, Russia
7
6
5
4
3
2
1
0
h
Month
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
First set of graphs
with the same scale
for each. What do
you notice? How
does your conclusion
change?
Average Precipitation (cm)
h
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
Average Precipitation (cm)
Precipitation for Tomsk, Russia
7
6
5
4
3
2
1
0
Month
Precipitation for Tomsk, Russia
10
8
6
4
2
0
h
Month
Se
pt
em
be
r
O
ct
ob
er
N
ov
em
be
r
D
ec
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Month
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
Second set of graphs
with different scales
for each.
Average Precipitation (cm)
h
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
Average Precipitation (cm)
Precipitation for Chicago USA
10
8
6
4
2
0
Precipitation for Topeka, USA
30
25
20
15
10
5
0
h
Month
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Month
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
First set of graphs with
the same scale for
each. What do you
notice? How does
your conclusion
change?
Average Precipitation (cm)
h
ct
ob
er
ov
em
be
r
D
ec
em
be
r
N
O
Se
pt
em
be
r
Au
gu
st
Ju
ly
Ju
ne
M
ay
Ap
ri l
M
ar
c
Fe
br
ua
ry
Ja
nu
ar
y
Average Precipitation (cm)
Precipitation for Chicago USA
10
8
6
4
2
0
Precipitation for Topeka, USA
10
8
6
4
2
0