Data Tables

A data table has three titles.

Independent variable (IV) is on the left side of the data table.

Dependent variable (DV) is on the right side of the data table.

Data arranged in rows and columns.

Average Daily Temperature for January 1-5 in Degrees Fahrenheit

Date Temperature (°F)

1

2

3

4

5

10

25

30

42

23

Graphing

OverviewOverview

G rap h in g

B A R L IN E

D ec id e

W rite th e m ain title u sedin th e d a ta tab le .

W rite th e IV and DV titlesfrom th e d a ta tab le .

D raw an d lab e l x & y axes(D on 't fo rg e t ze ro .)

All graphs start here!

Draw and label both axes.

x

y

0

Variables

x- axis : Independent variable

y- axis : Dependent variable

DVDV

TitleTitle

IV TitleIV Title x

y

0

All graphs have

THREE TITLES!

Titles

3 labels per graph: - Main title that describes the graph - x-axis - y-axis

The titles come from the data table.

Investigation 5

Make a title for your graph.Number Number

of Eachof Each

Type of CarType of Car x

y

0

Cars in the Teachers’ Parking Lot

Bar or Line?????

Bar Graphsused for descriptive

or grouping information (compares data)

Examples:Type of ---, color, weight, height, shape, amount, etc.

Bar or Line?????

Line Graphs

Used when you collect information over time

Examples: hours, days, months, years, decades, seconds, centuries, minutes, weeks, temperature, etc.

Quick ReviewQuick Review

G rap h in g

B A R L IN E

D ec id e

W rite th e m ain title u sedin th e d a ta tab le .

W rite th e IV and DV titlesfrom th e d a ta tab le .

D raw an d lab e l x & y axes(D on 't fo rg e t ze ro .)

Range

From lowest to highest.

Bar - y axis

Number the y-axis only!

Use an increment small enough to cover entire graphing space but large enough to include highest number. 0

2

4

6

8

10

12

14

16Cars in the Teachers’ Parking

Lot

Bar - x axis

Write the groups (words) from the left side of the data table

0

2

4

6

8

10

12

14

16Cars in the Teachers’ Parking

Lot

Chevy Dodge Ford Honda Mazda Toyota Volvo

Bar Graph

Draw the bars.

0

2

4

6

8

10

12

14

16Cars in the Teachers’ Parking

Lot

Chevy Dodge Ford Honda Mazda Toyota Volvo

Quick ReviewQuick Review

D raw th e b ars .

W rite th e groups on th eX axis .

Num ber th e Y axis on ly!

B A R L IN E

D ec id e

W rite th e m ain title u sedin th e d a ta tab le .

W rite th e IV and DV titlesfrom th e d a ta tab le .

D raw an d lab e l x & y axes(D on 't fo rg e t ze ro .)

Increments

The numbers on the axis.- Line graph: x and y axis=range

Equal to multiples large enough to include highest number. (ex: 5, 10, 15, 20 or 100, 200, 300, 400 or 1, 2, 3, 4……)

0

20

40

60

80

100

Line - y axis

Number the y-axis!Use an increment

small enough to cover entire graphing space but large enough to include highest number.

Scores on a Science Test

Line- x axis

Number the x-axis!Use an increment

small enough to cover entire graphing space but large enough to include highest number. 0

20

40

60

80

100Scores on a Science Test

0 1 2 3 4 5 6

Ordered Pairs

Two numbers that join together to make a point on a graph.

( x, y) (2, 3)

Plot your ordered pairs.

0

20

40

60

80

100Scores on a Science Test

0 1 2 3 4 5 6

Connect the dots in order!

0

20

40

60

80

100Scores on a Science Test

0 1 2 3 4 5 6

SummarySummary

D raw th e b ars .

W rite th e groups on th eX axis .

Num ber th e Y axis on ly!

BAR

Connect the dots in th eord er you d rew th em .

Plot th e o rd ered p a irs .

Num ber th e x & y axes .

L INE

D ec id e

W rite th e m ain title u sedin th e d a ta tab le .

W rite th e IV and DV titlesfrom th e d a ta tab le .

D raw an d lab e l x & y axes(D on 't fo rg e t ze ro .)