Can You Read a Graph Can You Read

Can You Read a Graph?

Can You Read a Graph?

Can You Read a Graph?

Graphing Notes • Graphs are a way to display data or results • Good graphs contain five parts • Title: Tells what the graph is about. Concise statement placed above or below the graph • Independent Variable: Always found on the X (or horizontal) axis

• Good graphs contain five parts • Dependent Variable: Always found on the Y (or vertical) axis • Scale: axis must be labeled and numbered in an consistent way; each line on the same axis must have the same value. • Key/Description: A brief explanation of parts of the graph readers may not understand as needed.

Let’s Try It. Water Temperature (*C) Number of Developing Clams 15 75 20 90 25 120 30 140 35 75 40 40 45 15 50 0

Graph Analysis • What is the dependent variable? • What is the independent variable? • What is the relationship between water temperature and clam development? • What is the BEST temperature for clams to develop?

Graph Analysis…ANSWERS • What is the dependent variable? Clam Development • What is the independent variable? Water Temperature • What is the relationship between water temperature and clam development? Clam development increases as temperature increases until it gets too hot. Then clam development decreases. • What is the BEST temperature for clams to develop? 30*C

Analyzing Graphs • What is the independent variable? • What is the dependent variable? • Which area has more elephants? • Which animal is least populous regardless of location?

Analyzing Graphs…ANSWERS • What is the independent variable? Type of animal • What is the dependent variable? Number of animals • Which area has more elephants? Karnataka • Which animal is least populous regardless of location? Tigers