Bivariate Data Analysis

What type of association does this graph have?

• positive
• negative
• none
• all of the above

Based on the graph, if Joe earned $400, how many hours did he work?

• 20 hours
• 35 hours
• 45 hours
• 15 hours

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

CCSS.8.SP.A.2

What type of correlation does this graph have?

• positive linear
• negative linear
• positive nonlinear
• negative nonlinear

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

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

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

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

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 the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A
• B
• C
• D

Tags

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

As x increases, y increases

• both positive and negative correlation
• no correlation
• positive correlation
• negative correlation

What type of correlation (association) would we see in the scatter plot of the following situation?
The outside temperature and the amount of layers of clothing you wear. 

• Positive correlation
• Negative correlation
• No correlation
• 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. 

Tags

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

In a scatterplot, an outlier...

• ...is something we didn't learn in 8th grade
• ...is a point on the origin
• ...is a point that is far outside the main cluster of points/ordered pairs
• ...is a group of points that are close together

Tags

CCSS.8.SP.A.1