Topic 4 - Bivariate Data

What is the type of association?

• Negative 
• no association
• positive 

Which scatter plot could have a trend line whose equation is y = 3x + 10?

• A
• B
• C
• D

Tags

CCSS.HSF.LE.B.5

What kind of trend is shown from this scatterplot?

• positive correlation
• negative correlation
• none
• cannot be determind

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

In a scatterplot, a cluster...

• ...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

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

Which of the following lines represents the line of best fit for the scatter plot?

• A
• B
• C
• D

What is a line of best fit used for?

• To make predictions
• To make the graph look pretty
• To connect the points
• To make it look like you know what you are doing

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters
• 15 chapters
• 18 chapters
• 21 chapters

Describe the correlation in the graph shown.

• Strong Negative
• Strong Positive
• Weak Negative
• Weak Positive