Unit 4 Skills Check #1 Scatter Plots

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 in a scatter plot 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 scatter plot 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 scatter plot?

Back

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

Front

What is a linear association in a scatter plot?

Back

A linear association means that the data points can be approximated by a straight line.

Front

What is a nonlinear association in a scatter plot?

Back

A nonlinear association means that the relationship between the variables cannot be represented by a straight line.

Front

How can you identify a positive linear association in a scatter plot?

Back

A positive linear association is identified by data points that slope upwards from left to right.

Front

How can you identify a negative linear association in a scatter plot?

Back

A negative linear association is identified by data points that slope downwards from left to right.

Front

What is the relationship between the age of a car and its value?

Back

As the age of the car increases, its value typically decreases, indicating a negative correlation.

Front

What is the relationship between the height of students and their test scores?

Back

There is no correlation; height does not affect test scores.