Scatter Plots

Front

What is a scatter plot?

Back

A graph that shows the relationship of two data sets.

Front

What does a positive correlation indicate in a scatter plot?

Back

As one variable increases, the other variable also increases.

Front

What does a negative correlation indicate in a scatter plot?

Back

As one variable increases, the other variable decreases.

Front

What does 'no correlation' mean in the context of a scatter plot?

Back

There is no discernible relationship between the two variables.

Front

How can you determine the correlation type from a scatter plot?

Back

By observing the direction of the points: upward slope indicates positive, downward slope indicates negative, and no slope indicates none.

Front

If a scatter plot shows that as the temperature increases, the number of visitors increases, what type of correlation is this?

Back

Positive correlation.

Front

What is the purpose of using a scatter plot?

Back

To visually represent the relationship between two quantitative variables.

Front

In a scatter plot, what does each point represent?

Back

Each point represents an individual data point with two values, one for each variable.

Front

What can you infer if the points on a scatter plot are tightly clustered along a line?

Back

There is a strong correlation between the two variables.

Front

What can you infer if the points on a scatter plot are widely spread out?

Back

There is a weak correlation between the two variables.