Line of Best Fit & Correlation Coefficients Warm Up

Front

A perfect positive correlation has a correlation coefficient of ____.

Back

1

Front

What is the correlation for the following Scatter Plot?

Back

Strong Positive

Front

As x increases, y increases. This indicates a:

Back

C) positive association

Front

Which scatter plot diagram shows the strongest positive correlation?

Back

(Visual representation needed)

Front

What is the line of best fit?

Back

f(x)= 1.82x + 5.02

Front

What does a correlation coefficient of -1 indicate?

Back

Perfect negative correlation.

Front

What does a correlation coefficient of 0 indicate?

Back

No correlation.

Front

If the correlation coefficient is between 0 and 1, what type of correlation is it?

Back

Positive correlation.

Front

If the correlation coefficient is between -1 and 0, what type of correlation is it?

Back

Negative correlation.

Front

What is the purpose of the line of best fit in a scatter plot?

Back

To summarize the relationship between the variables.