Scatter Plots Review

Front

What is the type of correlation? Options: Negative, no association, positive

Back

no association

Front

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

Back

positive

Front

Predict the number of chapters in a book with 140 pages using the trend line from a scatter plot showing the relationship between chapters and pages.

Back

14 chapters

Front

Predict the number of pages in a book with 6 chapters using the trend line from a scatter plot showing the relationship between chapters and pages.

Back

60 pages

Front

What is true of the x and y values in a scatter plot with a negative correlation?

Back

As x increases, y decreases

Front

What is a line of best fit used for?

Back

To make predictions

Front

What would most likely have a negative association?
- The radius of a circle and its area
- How many layers of clothing a person wears and the temperature outside
- The temperature outside and how long the air conditioner runs

Back

How many layers of clothing a person wears and the temperature outside

Front

What is a scatter plot?

Back

A graph that shows the relationship of two data sets.

Front

If the debate team plans to practice for 6 hours, how many debates should they win? Options: 20, 16, 24, 28

Back

24

Front

Possible line of best fit for the data: y = -5/2x + 20, y = -x + 19, y = x + 20, y = 2/3x + 15

Back

y = -5/2x + 20