Scatterplots

Front

What is a scatterplot?

Back

A scatterplot is a graph that displays values for typically two variables for a set of data. Each point represents an observation in the dataset.

Front

What does a positive correlation in a scatterplot indicate?

Back

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

Front

What does a negative correlation in a scatterplot indicate?

Back

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

Front

What does no correlation mean in a scatterplot?

Back

No correlation means there is no apparent relationship between the two variables; changes in one variable do not predict changes in the other.

Front

What is an outlier in a scatterplot?

Back

An outlier is a data point that differs significantly from other observations in the dataset, often appearing far away from the trend of the data.

Front

How can you identify a strong positive linear association in a scatterplot?

Back

A strong positive linear association is identified when the points in the scatterplot closely follow a straight line that slopes upwards.

Front

How can you identify a weak positive linear association in a scatterplot?

Back

A weak positive linear association is identified when the points in the scatterplot are scattered but still show a slight upward trend.

Front

What is the purpose of using scatterplots?

Back

Scatterplots are used to visually assess the relationship between two quantitative variables and to identify trends, correlations, and outliers.

Front

What does it mean if a scatterplot shows a curved pattern?

Back

A curved pattern in a scatterplot suggests a non-linear relationship between the two variables.

Front

What are the axes in a scatterplot typically labeled with?

Back

The x-axis is typically labeled with the independent variable, while the y-axis is labeled with the dependent variable.