types of graphs by: mrs. mowery. histograms / definition -- / histogram is a special type of bar...

Types of GraphsTypes of Graphs

By: Mrs. MoweryBy: Mrs. Mowery

HistogramsHistograms

Definition -- Histogram is a special type of bar

graph that uses intervals of equal size.

Definition -- Histogram is a special type of bar

graph that uses intervals of equal size.

Amount of Books Read by 6th Grade Students

Amount of Books Read by 6th Grade Students

0

10

20

30

40

50

60

1--5 6--10 11--15 16--20

Number ofStudents(Frequency)

0

10

20

30

40

50

60

1--5 6--10 11--15 16--20

Number ofStudents(Frequency)

Think about it…Think about it…

When would you need to create a histogram?

When would you need to create a histogram?

You could use a histogram to compare…

You could use a histogram to compare…

The number of siblings a person has. The number of books read. The number of CD’s someone owns. The amount of pets someone has. The amount of money someone earns.

The number of siblings a person has. The number of books read. The number of CD’s someone owns. The amount of pets someone has. The amount of money someone earns.

Steps for Creating a Histogram


Step 1: Create your Survey Decide what you are going Survey or

Chart. Record the data. Remember you need to survey

something that can use intervals.

Step 1: Create your Survey Decide what you are going Survey or

Chart. Record the data. Remember you need to survey

something that can use intervals.



Step 2: Gather Data Divide the Data into equal sized

intervals. Create a frequency table. Record

tallies and count the frequency.

Step 2: Gather Data Divide the Data into equal sized

intervals. Create a frequency table. Record

tallies and count the frequency.

Number of CDs

Number of People(Tally)

Frequency

0-5 1 1 1 1 4

6-10 1 1 1 3

11-15 1 1 1 1 4



Step 3:Draw your histogram. Choose a vertical scale. Title the graph Label the horizontal axis and vertical

axis.

Step 3:Draw your histogram. Choose a vertical scale. Title the graph Label the horizontal axis and vertical

axis.

Circle GraphCircle Graph

Definition: Circle Graph is a graph in the

shape of a circle that shows fractions/ percents.

It is used to compare part to whole.

Also known as the Pie Chart

Definition: Circle Graph is a graph in the

shape of a circle that shows fractions/ percents.

It is used to compare part to whole.

Also known as the Pie Chart

Think about…Think about…

When would you need to create a circle graph?

When would you need to create a circle graph?

You could use a circle graph to compare/ show…

You could use a circle graph to compare/ show…

Favorite team sport Favorite flavor of ice cream How you spend the hours of a day Monthly budget percentages

Favorite team sport Favorite flavor of ice cream How you spend the hours of a day Monthly budget percentages

Steps for Creating a Circle Graph


Step 1 : Create your Survey Decide what you are going to survey Make sure it is something that

compares part to whole

Step 1 : Create your Survey Decide what you are going to survey Make sure it is something that

compares part to whole



Step 2: Gather Data Create a frequency table that

includes: Choices, Fraction, Decimal, and Percents

Step 2: Gather Data Create a frequency table that

includes: Choices, Fraction, Decimal, and Percents

Favorite Team

Fraction Decimal Percent

Bengal 12/20 0.60 60%

Browns 8/20 0.40 40%

To go from a fraction to a decimal-

Divide the numerator by the denominator. Example: 12 / 20 - 0. 60

To go from a fraction to a decimal-

Divide the numerator by the denominator. Example: 12 / 20 - 0. 60

To go from a decimal to a percent- Multiply by 100. Ex: 0.60 x 100 = 60 %

To go from a decimal to a percent- Multiply by 100. Ex: 0.60 x 100 = 60 %



Step 3: Draw your circle graph Place a dot in the center. Estimate the fraction to shade. Include labels, percents, and an

appropriate title.

Step 3: Draw your circle graph Place a dot in the center. Estimate the fraction to shade. Include labels, percents, and an

appropriate title.

Hints on Drawing a circle graph.

Hints on Drawing a circle graph.

Draw a dot in the center of the circle.

Start with the easiest percent to graph. Ex: 25% = 1/4, 50% = 1/2, 75% =

3/4 Ex: 33% = 1/3, 67% = 2/3

Draw a dot in the center of the circle.

Start with the easiest percent to graph. Ex: 25% = 1/4, 50% = 1/2, 75% =

3/4 Ex: 33% = 1/3, 67% = 2/3

types of graphs by: mrs. mowery. histograms / definition -- / histogram is a special type of bar...

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