Representing Data

What is the purpose of using data in science?

• To support only one hypothesis

• To manipulate outcomes

• To confuse the public

• To make decisions based on facts

What does bivariate data mean?

• Data that is qualitative

• Data that comes from three variables

• Data that comes from two variables

• Data that can be measured

What type of graph is used to display quantitative bivariate data?

• Line graph

• Bar chart

• Pie chart

• Scatter plot

What does each point on a scatter plot represent?

• A single variable

• A conclusion

• Information about two variables

• A hypothesis

What are the two important questions in the climate change debate?

• Is the climate changing and is it natural?

• Is the climate changing and can we stop it?

• Is the climate stable and are humans responsible?

• Is the climate changing and is it the result of human activity?

How can manipulating the axes of a graph affect perception?

• It can reduce the importance of data

• It can make the graph more colorful

• It can make the graph easier to read

• It can make data appear more dramatic

What is quantitative data?

• Data that describes qualities

• Data that cannot be measured

• Data that can be measured

• Data based on opinions

What is the scientific method?

• A process of asking questions, researching, forming a hypothesis, testing, and analyzing results

• A process of making decisions based on assumptions

• A process of asking questions and forming a hypothesis without testing

• A process of proving a hypothesis without data

Why is it important to organize and visualize data?

• To make the data less accurate

• To confuse the audience

• To find patterns and verify hypotheses

• To make it look appealing

What does a scatter plot use to display points?

• A series of photographs

• A simple list

• A narrative description

• A Cartesian coordinate plane