Scatter Plot Correlations

Front

What is a scatter plot?

Back

A scatter plot 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 correlation indicate in a scatter plot?

Back

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

Front

What does a negative correlation indicate in a scatter plot?

Back

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

Front

What does no correlation mean in a scatter plot?

Back

No correlation means there is no discernible relationship between the two variables; changes in one do not affect the other.

Front

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

Back

A strong positive correlation is identified when the data points closely follow a straight line that slopes upwards.

Front

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

Back

A strong negative correlation is identified when the data points closely follow a straight line that slopes downwards.

Front

What is the purpose of using scatter plots?

Back

Scatter plots are used to visually assess the relationship between two variables and to identify trends, patterns, or outliers.

Front

What is an example of a positive correlation?

Back

An example of a positive correlation is the relationship between study time and test scores; more study time generally leads to higher scores.

Front

What is an example of a negative correlation?

Back

An example of a negative correlation is the relationship between outside temperature and the number of layers of clothing worn; as temperature increases, layers worn typically decrease.

Front

What is an example of no correlation?

Back

An example of no correlation is the relationship between the number of siblings a person has and their weight; these two variables do not affect each other.