ENSCI Lab Final

The variable that is varied or manipulated by the researcher in an experiment.

• Independent variable

• Dependent variable

The variable that is the measured response in an experiment.

• Independent variable

• Dependent variable

If you were measuring the growth rate of trees receiving fertilizer applications compared to the growth rate of a tree receiving no fertilizer applications, what would the independent variable be?

If you were measuring the growth rate of trees receiving fertilizer applications compared to the growth rate of a tree receiving no fertilizer applications, what would the dependent variable be?

Is it possible to have more than one dependent variable?

• Yes

• No

Is it possible to have more than one independent variable?

• Yes

• No

What is the independent variable in an experiment measuring the change in heart rate in response to exercise?

What is the dependent variable in an experiment measuring the change in heart rate in response to exercise?

A cumulative graph means that the line...

Best chart for comparing values of categorical data

• Bar chart

• Line chart

• Pie chart