GraphsGraphs

0

20

40

60

80

100

Percentage

1st Qtr 2nd Qtr 3rd Qtr 4th Qtr

Quarters

Grades on Graphing Tests

Barnhart Kids

Other Kids

Class A

Class B

Pictograph

Types of Graphs

Line Graphs Plots

Circle Graph

Histogram

Single

Double

Stem & Leaf

Line

Single

Double

Box - and - Whisker Plot

Scatter

Bar Graphs

PictographPictograph

More Info

Fireflies

Day

s of

the

Wee

k

Bar GraphBar GraphFavorite Subjects

010203040506070

Math Science Reading Social Studies

Subjects

Num

ber

of S

tude

nts

More Info

Double Bar Double Bar GraphGraph

Plant Growth

0

5

10

15

20

Week 1 Week 2 Week 3 Week 4

Weeks

Inch

es Light Dark

More Info

HistogramHistogram

10

9

8

7

6

5

4

3

2

1

10-Jan 11-20 21-30 31-40 41-50 51-60 61-70 71-80 81-90 90-99

Fre

quen

cy

Test Scores

Class Test Scores

More Info

Line GraphLine GraphTemperature For One Week

0102030405060708090

100

Day 1 Day 2 Day 3 Day 4 Day 5

Days of the Week

Deg

rees

Far

enhe

it

More Info

Double Line Double Line GraphGraph

Amount of Rainfall

0

1

2

3

4

5

May June July August

Months

Inch

es 1999

2000

More Info

Circle GraphCircle GraphEye Color

40%

32%

20%

8%

BrownBlueGreenOther

More Info

Line PlotLine Plot

Favorite Colors

X

X

X X X

X X X X

X X X X X

X X X X X

Red Blue Green Yellow Purple

More Info

Stem and Leaf Stem and Leaf PlotPlot

12 7,8,8,9

13 1,2,4,4,4,6,6

14 0,0,2,3,3,4,7

15 1,1

Student Heights in Centimeters

Key: 12 7 = 127 cm More Info

7 8 8 9

1 2 4 4 4 6 6

0 0 2 3 3 4 7

1 1

Scatter PlotScatter PlotStudy Time Versus Grades

00

20

40

60 80100

1 2 3 4Study Time in Hours

Grade * *** * * *

5

More Info

Box - and - Whisker PlotBox - and - Whisker Plot

Hours of HomeworkHours of Homework

876

5

43 9

6.37.75

5

5.25 6.9

More Info

Bar GraphBar Graph The purpose of a The purpose of a

bar graph is to bar graph is to display and display and compare data. compare data.

Bar graphs use bars Bar graphs use bars to show the data.to show the data.

A bar graph must A bar graph must include: include:

- a title- a title

- labeled X and Y - labeled X and Y axesaxes

- equal intervals - equal intervals are used on the Y are used on the Y axisaxis

- the bars are - the bars are evenly spaced evenly spaced apart from each apart from each otherother

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Stem and Leaf PlotStem and Leaf Plot

Stem and leaf plots are used as a quick way Stem and leaf plots are used as a quick way of seeing how many pieces of data fall in of seeing how many pieces of data fall in various ranges. The reader can quickly tell:various ranges. The reader can quickly tell:

- the range- the range

- the mode- the mode Stem and leaf plots have a title, a stem, and Stem and leaf plots have a title, a stem, and

leavesleaves A key is used to explain how to read the A key is used to explain how to read the

stem and leaves. stem and leaves.

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PictographPictograph

All pictographs All pictographs have a title.have a title.

Rows and Rows and columns shape columns shape the pictograph.the pictograph.

Label each row Label each row and column.and column.

Use pictures to Use pictures to show the data.show the data.

Each picture Each picture equals a certain equals a certain amount of data.amount of data.

Pictographs need Pictographs need a key.a key.

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Line GraphLine Graph

A line graph is A line graph is used to illustrate used to illustrate change over time.change over time.

Line graphs need:Line graphs need:

- Title- Title

- Labeled X - Labeled X and Y axesand Y axes

- Equal - Equal IntervalsIntervals

- Data - Data displayed by displayed by points connected points connected into lines into lines

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Double Line GraphDouble Line Graph

A double line graph A double line graph is used to compare is used to compare two groups of two groups of related data over related data over time. time.

Double line graphs Double line graphs need:need:

- Title- Title

- Labeled X and Y - Labeled X and Y axesaxes

- Equal Intervals- Equal Intervals

- Data displayed - Data displayed by points by points connected into connected into lineslines

- Key- Key

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Circle GraphCircle Graph

Circle graphs are Circle graphs are used to display used to display parts of the data parts of the data in relation to the in relation to the entire amount of entire amount of data.data.

All circle graphs All circle graphs need a title.need a title.

Each part is called Each part is called a sector and is a sector and is labeled.labeled.

All angles correct All angles correct (+2/-2 degrees)(+2/-2 degrees)

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Double Bar GraphDouble Bar Graph The purpose of a The purpose of a

double bar graph is double bar graph is to compare two or to compare two or more sets of data.more sets of data.

Uses bars to show Uses bars to show the data. the data.

Double bar graphs Double bar graphs must include: must include:

- Title- Title

- Labeled X and Y - Labeled X and Y axesaxes

- Equal intervals - Equal intervals are used on the Y are used on the Y axisaxis

- Pairs of bars are - Pairs of bars are equally spaced, equally spaced, but the compared but the compared bars are notbars are not

- Key- Key

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Line PlotLine Plot

A line plot shows the spread of all A line plot shows the spread of all the data on a number line.the data on a number line.

Easily identifies the mode.Easily identifies the mode. All line plots include:All line plots include:

- a title - a title

- a numbered horizontal line- a numbered horizontal line

- data displayed by use of X’s- data displayed by use of X’s

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HistogramHistogram

Histograms are Histograms are used to show the used to show the frequency of data.frequency of data.

Very similar to bar Very similar to bar graphs, but use graphs, but use intervals on the X intervals on the X axis.axis.

Bars do touch.Bars do touch.

Histograms have Histograms have a title.a title.

Histograms have Histograms have two axes which two axes which are labeled.are labeled.

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Box - and - Whisker Plot

Displays large set Displays large set of data.of data.

Gives general idea Gives general idea of how data of how data clusters.clusters.

Graph includes:Graph includes:

- Title- Title

- Labeled intervals- Labeled intervals

- Box between lower - Box between lower and upper quartiles and upper quartiles

- Whiskers from - Whiskers from quartiles to extremesquartiles to extremes

- Median, quartiles - Median, quartiles and whiskers labeled and whiskers labeled

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Scatter PlotScatter Plot

Shows how closely Shows how closely two sets of data two sets of data are relatedare related

The closer the sets The closer the sets are related, the are related, the closer the points closer the points come to forming a come to forming a straight line.straight line.

Scatter Plots Scatter Plots include:include:

- title - title

- labeled axes- labeled axes

- equal intervals- equal intervals

- corresponding - corresponding numbers plotted numbers plotted as ordered pairsas ordered pairs

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