Interpreting graphs and scatterplots

Front

What does it mean if a graph is skewed right?

Back

A skewed right graph has a longer tail on the right side, indicating that most data points are concentrated on the left.

Front

What does it mean if a graph is skewed left?

Back

A skewed left graph has a longer tail on the left side, indicating that most data points are concentrated on the right.

Front

What is a symmetric graph?

Back

A symmetric graph is one where the left and right sides are mirror images of each other.

Front

What is a normal distribution?

Back

A normal distribution is a bell-shaped graph where most data points cluster around the mean.

Front

What is a line of best fit?

Back

A line of best fit is a straight line that best represents the data on a scatterplot.

Front

How do you determine if a line is an accurate line of best fit?

Back

A line is an accurate line of best fit if it minimizes the distance between itself and all data points.

Front

What does a positive association in a graph indicate?

Back

A positive association indicates that as one variable increases, the other variable also increases.

Front

What does a negative association in a graph indicate?

Back

A negative association indicates that as one variable increases, the other variable decreases.

Front

What does 'no association' mean in a graph?

Back

No association means there is no discernible relationship between the two variables.

Front

How can you estimate earnings based on hours worked using a graph?

Back

You can use the line of best fit to find the expected earnings for a given number of hours worked.