Line of Best Fit

Front

What is the equation of the line of best fit?

Back

y=\frac{1}{2}x + 3

Front

What does the term 'line of best fit' refer to in statistics?

Back

A line that best represents the data on a scatter plot, minimizing the distance between the line and the data points.

Front

What is the purpose of the line of best fit?

Back

To predict values and understand the relationship between variables.

Front

What is correlation in statistics?

Back

A measure of the strength and direction of the relationship between two variables.

Front

What are the types of correlation?

Back

Positive correlation, negative correlation, and no correlation.

Front

What does a positive correlation indicate?

Back

As one variable increases, the other variable also increases.

Front

What does a negative correlation indicate?

Back

As one variable increases, the other variable decreases.

Front

What does 'no correlation' mean?

Back

There is no discernible relationship between the two variables.

Front

How can you determine the strength of a correlation?

Back

By calculating the correlation coefficient, which ranges from -1 to 1.

Front

What is a strong positive correlation?

Back

A correlation coefficient close to 1, indicating a strong relationship where both variables increase together.