Unit 6 Stats - 6.3 Lesson Check

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month.  Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles? 

• A. 50 min
• B. 80 min
• C. 45 min
• D. 60 min

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

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

Tags

CCSS.HSF-LE.A.1B

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

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

Mrs. Collins made a scatter plot to show the relationship between the number of absences and a student’s final exam score. Based on this scatter plot, a student with 6 absences should get approximately what score on the final exam?

• 65

• 92

• 70

• 76

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

Describe the association of the scatter plot

• Linear; positive association
• Linear; negative association
• Non-linear

Tags

CCSS.8.SP.A.1

What type of relationship does this graph have?

• Positive
• Negative
• No Relationship
• Constant

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

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

• 25 hours
• 35 hours
• 45 hours
• 15 hours

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.2

CCSS.8.SP.A.3

What is correlation?

• The measure of the strength of a relationship.

• The number of points two variables have in common.

• A graph that shows information that is connected in some way.

• A graph that shows data changing over time.

What type of correlation does this scatter plot show?

• positive linear association
• negative linear association
• no association
• nonlinear association

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2