Scatter Plots and Trend Lines

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

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. 

The number of siblings you have and your weight. 

• Positive correlation
• Negative correlation
• No correlation

Name the correlation in this graph

• Negative Correlation
• No Correlation
• Lots of Correlation
• Positive Correlation

The relationship of birthdays to candles

• Positive correlation
• Negative correlation
• No correlation
• all of the above

Which sentence describes the relationship shown on this scatterplot?

• 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

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

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

As x increases, y decreases, what kind of association( correlation) do we have:

• no correlation
• negative correlation
• correlation coefficient
• positive correlation

Which sentence describes the relationship shown on this scatterplot?

• 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

As x increases, y increases

• correlation coefficient
• causation
• positive correlation
• negative correlation