Lines of Best Fit (A1.2.2.2.1)

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 scatter plot, showing the trend of the data points.

Front

What is the purpose of a line of best fit?

Back

The purpose of a line of best fit is to make predictions about future data points based on the trend observed in the existing data.

Front

What does a negative correlation indicate?

Back

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

Front

What does a positive correlation indicate?

Back

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

Front

What is no correlation?

Back

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

Front

How do you determine the equation of a line of best fit?

Back

The equation of a line of best fit can be determined using statistical methods such as linear regression.

Front

What is the general form of the equation of a line?

Back

Front

What does the slope of a line of best fit represent?

Back

The slope of a line of best fit represents the rate of change between the two variables.

Front

What is the y-intercept in the context of a line of best fit?

Back

Front

What is the significance of the line of best fit in data analysis?

Back

The line of best fit helps in understanding the relationship between variables and making informed predictions.