Scatterplots

Front

What is a scatterplot?

Back

A scatterplot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional axis.

Front

What does a positive linear association in a scatterplot indicate?

Back

A positive linear association indicates that as one variable increases, the other variable also tends to increase.

Front

What does a negative linear association in a scatterplot indicate?

Back

A negative linear association indicates that as one variable increases, the other variable tends to decrease.

Front

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

Back

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

Front

How can you determine if there is a correlation between two variables using a scatterplot?

Back

You can determine correlation by observing the pattern of the data points; a clear trend indicates correlation, while a random scatter indicates no correlation.

Front

What is the purpose of using scatterplots in data analysis?

Back

Scatterplots are used to visually assess the relationship between two variables, helping to identify trends, correlations, or patterns.

Front

What is the x-axis in a scatterplot?

Back

The x-axis is the horizontal axis that typically represents the independent variable.

Front

What is the y-axis in a scatterplot?

Back

The y-axis is the vertical axis that typically represents the dependent variable.

Front

What does it mean if the points on a scatterplot are tightly clustered along a line?

Back

If the points are tightly clustered along a line, it indicates a strong correlation between the two variables.

Front

What does it mean if the points on a scatterplot are widely scattered?

Back

Widely scattered points indicate a weak or no correlation between the two variables.