Statistics Two Variable

Identify the type of correlation shown in the graph.

• Positive

• Negative

• No Correlation

• Undefined

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

Identify the relationship between the number of siblings you have and your weight.

• Positive relationship

• Negative relationship

• No relationship

• All of the above

Which equation best represents the line of fit?

• y = x + 7.5

• y = -x +7.5

• y = 1/2x + 7.5

• y = -1/2x + 7.5

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

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

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

What type of correlation does this scatter plot show?

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

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

• A
• B
• C
• D

Describe the correlation in the graph shown.

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

Find the slope for the trend line using points (2,2) and (4,3)

• 2
• 1/2
• -2
• -1/2