Linear Functions and Scatter Plots

Which scatter plot show a positive relationship?

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

Which scatterplot does NOT suggest a linear relationship between x and y?

• 
• 
• 
• 

Mr. Thomas wanted to know if the amount of class time that he gave students to study affected their test scores.  What kind of relationship between class study time and test scores is shown on the scatter plot.

• No correlation
• Positive correlation
• Negative correlation
• Positive then negative correlation

What type of relationship does this scatter plot show?

• Positive
• Negative
• No Relationship
• Constant

Which scatter plot shows no relationship?

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

Based on the scatterplot, which of the following conclusions about the relationship between her height and weight is true? 

• There is a negative relationship between height and weight
• There is a positive relationship between height and weight
• There is a constant relationship between height and weight
• There is no relationship between height and weight

Which statement best describes the relationship shown in this scatter plot?

• Students with a bigger shoe size earn a higher math score
• Students with a smaller show size earn a higher math score
• A student's shoe size has no effect on their math score
• A student with a shoe size of 8 will always earn a score of 80%

If Gold's Gym paid $250 for each TV, how many did they buy?

• 35

• 30

• 45

• 20

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

Which sentence describes the relationship shown on this scatter plot?

• 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