Scatter Plots Practice

Front

What type of correlation does a scatter plot with points that rise from left to right have?

Back

Positive correlation

Front

What does it mean when we say there is a positive correlation between two variables?

Back

As one variable increases, the other variable also increases.

Front

What type of slope does a scatter plot with points that fall from left to right have?

Back

Negative slope

Front

What does a negative correlation indicate about the relationship between two variables?

Back

As one variable increases, the other variable decreases.

Front

What is the term for a scatter plot that shows no clear pattern or relationship between variables?

Back

No correlation

Front

If the correlation coefficient is close to +1, what does that indicate?

Back

A strong positive correlation.

Front

If the correlation coefficient is close to -1, what does that indicate?

Back

A strong negative correlation.

Front

What does a correlation coefficient of 0 mean?

Back

No correlation between the variables.

Front

In a scatter plot, what does each point represent?

Back

An individual data point with values for two variables.

Front

What is the purpose of using scatter plots in data analysis?

Back

To visually assess the relationship between two quantitative variables.