Line of Best Fit

Front

What is a line of best fit?

Back

A line that best represents the data on a scatter plot, showing the trend of the data points.

Front

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

Back

A good line of best fit minimizes the distance between the line and all the data points.

Front

What does it mean if a line of best fit has a positive slope?

Back

It indicates that as one variable increases, the other variable also increases.

Front

What does it mean if a line of best fit has a negative slope?

Back

It indicates that as one variable increases, the other variable decreases.

Front

What is correlation in the context of a scatter plot?

Back

Correlation describes the relationship between two variables, which can be positive, negative, or no correlation.

Front

What is the purpose of using a line of best fit?

Back

To make predictions about one variable based on the value of another variable.

Front

What is a scatter plot?

Back

A graph that displays values for two variables for a set of data, using dots to represent the data points.

Front

What does 'no correlation' mean in a scatter plot?

Back

It means there is no apparent relationship between the two variables.

Front

How can you visually assess the accuracy of a line of best fit?

Back

By observing how closely the data points cluster around the line.

Front

What is the difference between a strong correlation and a weak correlation?

Back

A strong correlation means the data points are close to the line of best fit, while a weak correlation means they are more spread out.