Ch. 2: Organizing Data

1
Ch. 2 Organizing Data

• Vocabulary
• data table, bar graph, x-axis, y-axis, line
  graph, circle graph, diagram

2
Gathering and Recording Data

• Now that you have gathered some data in an
  experiment, you need to do something with it.
• These slides will show you some options that you
  have for organizing your data.

3
Data Tables

• Data tables are charts that show information in
  rows and columns.
• Plants Grown in My Garden

Plants Number of Fruits or Vegetables
Tomatoes 4
Green Peppers 3
Okra 8
Cabbages 6
Strawberries 9
Pumpkins 6
4
Bar Graphs

• Bar graphs show data as bars of different
• lengths.
• Some people say that reading a bar graph is
  easier than seeing the information on a table.
• Bar Graphs have a bunch of different parts
• the x-axis, the y-axis, the scale, and the
  labels.

5
Bar Graphs
6
Line Graphs

• Line Graphs have all the same parts that bar
  graphs have, except that it shows how data
  changes over time.

7
Circle Graphs

• A Circle Graphs tells how much space out of 100
  a certain piece of data takes up.
• Amount of Oxygen in the Atmosphere

8
Diagrams

• Diagrams are drawings that show the parts of
  something.
• Usually there will be a caption and labels to
  explain what the picture is.

9
Questions about Chapter 2

1. What kind of display do you use to show changes
   over time?
2. How many cabbages were grown on the bar graph?
3. What is a circle graph used for?
4. What are captions?
5. Why do all displays need labels?