Communicating with Graphs

Communicating with Graphs

A visual display of information of data

Presenting/Organizing Data Scientists organize their data by

using tables and graphs Visuals that make reading data,

finding patterns or trends easier.

Graphs

3 major graphs: Line graph Bar graph Pie graph

Line Graphs

Used best for displaying data that change over a range

Usually has 2 variables: Independent: choose the intervals

and usually made with the x-axis Dependent: depends on what

happens in the experiment and usually made with the y-axis

Line Chart

Category 1 Category 2 Category 3 Category 40

1

2

3

4

5

6

Series 1Series 2Series 3

Bar Graphs

Useful when you want to compare data for several different individual items or events

Makes it clearer how large or small the difference in individual values are

Bar Chart #1

Category 1

Category 2

Category 3

Category 4

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

Series 1Series 2Series 3

Bar Chart #2

Category 1

Category 2

Category 3

Category 4

0 1 2 3 4 5 6

Series 3Series 2Series 1

Pie Charts/Graphs

Useful for displaying data that are parts of a whole

Represented by percents

Pie Chart

Sales

1st Qtr2nd Qtr3rd Qtr4th Qtr