Scatter Plots

Front

What is a scatter plot?

Back

A scatter plot is a type of graph that shows the relationship between two variables by displaying data points on a two-dimensional grid.

Front

What does it mean if a scatter plot has no association?

Back

It means that the data points do not show any predictable pattern or relationship.

Front

What is a trend line in a scatter plot?

Back

A trend line is a straight line that best represents the data points in a scatter plot, helping to show the overall direction of the data.

Front

What is positive correlation in a scatter plot?

Back

Positive correlation means that as one variable increases, the other variable also tends to increase.

Front

What is negative correlation in a scatter plot?

Back

Negative correlation means that as one variable increases, the other variable tends to decrease.

Front

How can you predict values using a scatter plot?

Back

You can predict values by using the trend line to estimate the value of one variable based on the value of another.

Front

What does it mean if a scatter plot shows a strong correlation?

Back

It means that the data points are closely clustered around the trend line, indicating a strong relationship between the two variables.

Front

What does it mean if a scatter plot shows a weak correlation?

Back

It means that the data points are spread out and do not closely follow the trend line, indicating a weak relationship.

Front

What is the purpose of using scatter plots?

Back

Scatter plots are used to visually display and analyze the relationship between two quantitative variables.

Front

What is an ordered pair in a scatter plot?

Back

An ordered pair is a pair of numbers that represent the coordinates of a point on the scatter plot, usually written as (x, y).