Scatterplots, Trendlines, and Sampling

You want to estimate how many students like sports at your school. Which sample is the best?

• A.) 10 students in the library 
• B.) 50 students in athletics 
• C.) 100 students at a school wide assembly 
• D.) 100 students in 6^th grade

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

You want to estimate how many students like music at your school which has a population of 995 students. Which sample is the best?  

• A.) 8 students in the cafeteria
•  B.) 100 students in the 8th grade hallway
• C.) 90 students at a school wide assembly 
• D.) 200 students in 7^th grade

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

What type of association does this graph show?

• Positive
• negative
• no association
• non linear association

Tags

CCSS.5.G.A.2

What type of association does this graph have?

• positive
• negative
• no association 
• non-linear association

Tags

CCSS.5.G.A.2

What type of association does this graph have?

• positive 
• negative
• no association
• non linear association 

Tags

CCSS.5.G.A.2

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. 55 min
• B. 80 min
• C. 46 min
• D. 62 min

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

• 65
• 92
• 70
• 76

Tags

CCSS.5.G.A.2

As x increases, y decreases.
Name the association. 

• no association
• negative association
• correlation association
• positive association

Tags

CCSS.HSS.ID.C.9

As x increases, y increases.
Name the association. 

• no association
• non linear association
• positive association
• negative association

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

You want to estimate the number of students in a middle school with an enrollment of 1000 who ride the bus. Which sample is best? 

•  A.) 7 students in the hallway
•  B.) All students in the band
• C.) 50 8th graders at random 
• D.) 100 students during the lunch periods 

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1