Scatter Plots

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two data sets by displaying points for each data pair.

Front

What does a negative correlation in a scatter plot indicate?

Back

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

Front

What does a positive correlation in a scatter plot indicate?

Back

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

Front

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

Back

'No association' means that there is no discernible relationship between the two variables being plotted.

Front

How can you identify a negative correlation in a scatter plot visually?

Back

A negative correlation can be identified visually by a downward slope from left to right in the plotted points.

Front

How can you identify a positive correlation in a scatter plot visually?

Back

A positive correlation can be identified visually by an upward slope from left to right in the plotted points.

Front

What is the relationship between the number of layers worn and outside temperature?

Back

There is a negative correlation; as the outside temperature increases, the number of layers worn decreases.

Front

What is the relationship between the number of notebooks bought and the total cost?

Back

There is a positive association; as the number of notebooks bought increases, the total cost also increases.

Front

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

Back

Scatter plots are used to visually assess the relationship between two quantitative variables.

Front

What does it mean if the points in a scatter plot are widely dispersed?

Back

Widely dispersed points indicate a weak correlation between the two variables.