Scatter Plots and Line of Best Fit

Front

What type of correlation does this graph have? Options: positive, negative, none, all of the above

Back

negative

Front

What type of correlation does this graph have?

Back

positive

Front

What type of correlation does this graph show?

Back

none

Front

What type of correlation does this scatter plot show? Options: positive linear association, negative linear association, no association, nonlinear association

Back

negative linear association

Front

What type of correlation does this scatter plot represent? Options: positive linear association, negative linear association, no association, nonlinear association

Back

no association

Front

What is a line of best fit used for?

Back

To make predictions

Front

In a scatterplot, an outlier...

Back

...is a point that is far outside the main cluster of points/ordered pairs

Front

Predict the number of chapters in a book with 180 pages using the trend line from a scatter plot showing the relationship between chapters and pages.

Back

18 chapters

Front

Possible line of best fit for the data: y = 3x + 0, y = 5/6x + 490, y = -2x + 470, non linear

Back

y = 5/6x + 490

Front

About how many male math teachers were there in 2006? Options: 15, 30, 35, 45

Back

35