Math I - Summer Day 7 -Final Assessment

What is the type of association?

• Negative 
• no association
• positive 

As x increases, y decreases.

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

A person travels by car.  They record their miles driven in a data table.  Calculate the linear regression equation of this data.

• y = 61.93x - 1.79
• y = -1.79x + 61.93
• y = 0.016x + 0.03
• y = 0.03x + 0.016

The linear regression equation for the data is  y = 1.5x + 12.  Use the equation to predict the cost of a pizza that has 8 toppings.

• $8

• $12

• $24

• $28

A point far away from the other data points is considered a(n) ____?

• cluster
• scatter plot
• outlier
• variable

Which point is the outlier?

• 
• 
• 
• 

What is the type of correlation?

• Positive Correlation

• Negative Correlation

• No Correlation

What type of correlation does this graph have?

• Positive Correlation

• Negative Correlation

• No Correlation

What type of correlation does this graph have?

• Positive Correlation

• Negative Correlation

• No Correlation

What type of correlation does this graph show?

• Positive Correlation

• Negative Correlation

• No Correlation