12.1 Scatterplots - Math 8

Bivariate data involves

• one variable

• two variables

• three variables

• four variables

• A
• B
• C
• D

What relationship is shown in the scatter plot?

• As the cost goes down, the number sold goes down.
• As the cost goes up, the number sold goes down.
• As the cost goes down, the number sold remains the same.
• There is not relationship between cost and the number sold.

What type of correlation is shown in the scatter plot?

• Positive Linear Correlation
• Negative Linear Correlation
• Non-Linear Correlation
• No Correlation

What type of correlation (association)?
The outside temperature and the amount of layers you wear. 

• Positive correlation
• Negative correlation
• No correlation

What is the type of association?

• Negative 
• no association
• positive 

What is the correlation between length of running start and distance of jump?

• positive:  the further you run the further you jump
• negative: the less you run the less distance of your jump
• positive: the further your running start the less your distance

What type of association does this graph have?

• positive
• negative
• none
• all of the above

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

• 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. 

Which scatter plot shows a linear relationship between x and y?

• Graph A
• Graph B
• Graph C
• Graph D