Scatter Plots and Correlation

What type of correlation does this graph have?

• positive 
• negative
• none
• all of the above

What type of association does this graph have?

• strong, positive, linear association

• weak, positive, linear association

• no association

• all of the above

What type of correlation does this graph show?

• Positive
• negative
• none
• all of the above

What type of associations does this scatter plot show?

• positive, linear association

• negative, linear association

• positive, non-linear association

• weak, non-linear association

What type of correlation does this scatter plot represent?

• positive linear association
• negative linear association
• no association
• nonlinear association

The number of ice cubes in a drink and the temperature of the drink represents what type of correlation?

• positive

• negative

• no association

• all of the above

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

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 always the first point in the scatterplot

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

• ...is always the middle point in the scatterplot

What conclusion may we make from the scatter plot?

• The more books students read, the lower their English grade.

• The more books students read, the higher their English grade.

• The fewer books students read, the higher their English grade.

• No relationship exists between the number of books students read and their English grades.