Identifying Correlation

What is the correlation of the graph below?

• 
• 
• 

What is the correlation of the graph below?

• 
• 
• 

What is the correlation of the graph below?

• 
• 
• 

What is the correlation of the graph below?

• 
• 
• 

Determine the correlation coefficient of the given data.

• - .5477

• .1770

• .8956

• - .9463

As shown in the table, a person's target heart rate during exercise changes as the person gets older. Find the correlation coefficient (r).

• -0.999

• -0.664

• 0.998

• 1.503

If a scatter plot shows a random distribution of points with no discernible pattern, what type of correlation exists between the variables?

• Positive correlation

• Negative correlation

• No correlation

• Perfect correlation

What is the line of best fit in a scatter plot primarily used for?

• To separate different groups of data

• To predict the value of one variable based on the value of another

• To calculate the exact values of all data points

• To create a boundary around all data points

Tags

CCSS.8.EE.B.5

In a scatter plot, if the points are mostly clustered around a line that slopes downward from left to right, what type of correlation is indicated?

• Positive correlation

• Negative correlation

• No correlation

• Perfect correlation

What does a scatter plot with points closely following an upward sloping line indicate about the relationship between the two variables being plotted?

• No correlation

• Negative correlation

• Positive correlation

• Constant correlation