Independent and Dependent Variables and Correlation

Front

What is an independent variable?

Back

An independent variable is the variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is the variable that is measured and affected in an experiment, responding to changes in the independent variable.

Front

In the context of Ms. Shi's scrapbook, what is the independent variable?

Back

The independent variable is the number of photos added (p).

Front

In the context of Ms. Shi's scrapbook, what is the dependent variable?

Back

The dependent variable is the thickness of the scrapbook (t).

Front

What does a positive correlation indicate?

Back

A positive correlation indicates that as one variable increases, the other variable also increases.

Front

What does a negative correlation indicate?

Back

A negative correlation indicates that as one variable increases, the other variable decreases.

Front

On which axis is the independent variable plotted on a graph?

Back

The independent variable is plotted on the x-axis.

Front

On which axis is the dependent variable plotted on a graph?

Back

The dependent variable is plotted on the y-axis.

Front

What is correlation in statistics?

Back

Correlation is a statistical measure that describes the extent to which two variables change together.

Front

What is the strongest type of correlation?

Back

The strongest type of correlation is a perfect correlation, which can be either positive or negative.