Scattered Plots

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase.

• As the temperature increases, the number of visitors increases.

• As the visitors increase, the temperature decreases.

• No correlation

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 19 chapters.

• 150 pages

• 170 pages

• 190 pages

• 210 pages

Which scatter plot show a positive relationship?

• Graph A

• Graph B

• Graph C

• Graph D

Which sentence describes the relationship shown on this scatter plot?

• The more time spent training, the longer it takes to run 100 m.  

• As the time spent training increases, the time to run 100 m decreases. 

• As the time spent training decreases, the time to run 100 m decreases. 

Which best describes the association shown in the scatter plot below?

• Negative and linear

• Negative and non-linear

• Positive and linear

• Positive and non-linear

Which relationship could be represented by this scatter plot?

• As the number of muffins in a box increases, the price increases.

• As the speed of a car increases, the distance the car travels increases.

• As the population of a city increases, the number of schools in the

  city increases.

• As the number of daylight hours increases, the number of night hours decreases.

What type of correlation does this graph have?

• Negative

• no association

• positive

If a scatterplot has no association then...

• ...it has no ordered pairs

• ...it has ordered pairs that have a negative pattern

• ...its ordered pairs have no predictable pattern

• ...if it makes a lion on a graph (roar!)

In a scatterplot, an outlier...

• ...is something we didn't learn 8th grade

• ...is a puppet with a long nose named Pinocchio

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

• ...is a really naughty point who doesn't tell the truth when outside

What type of association does this scatter plot represent?

• positive linear association

• negative association

• no association

• nonlinear association