Strong and Weak Correlations Scatter Plots

Describe the correlation in the graph shown.

• Strong Negative

• Strong Positive

• Weak Negative

• Weak 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

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

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.8.F.A.3

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 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

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 correlation is shown?

• positive

• negative

• none

What is the correlation shown?

• none

• positive

• negative

What type of correlation does this graph have?

• positive 

• negative

• none

• all of the above

What does it mean if the points in a scatterplot are scattered randomly with no apparent pattern?

• There is no correlation between the two variables being plotted.

• There is a strong negative correlation between the two variables being plotted.

• There is a strong positive correlation between the two variables being plotted.

• The scatterplot is not a reliable representation of the data.