The following scatterplot displays the finish time (in minutes) and age (in years) for the male racers at the 2018 Strawberry Stampede (a 10k race through Arroyo Grande).
-If 70-year-old male with a finishing time of 35 minutes was added to the data set, would the correlation coefficient increase, decrease, or remain the same?
A) Increase
B) Decrease
C) Remain the same
D) Unable to determine with the information provided

Question

The following scatterplot displays the finish time (in minutes) and age (in years) for the male racers at the 2018 Strawberry Stampede (a 10k race through Arroyo Grande). 
-If 70-year-old male with a finishing time of 35 minutes was added to the data set, would the correlation coefficient increase, decrease, or remain the same?
A) Increase 
B) Decrease 
C) Remain the same 
D) Unable to determine with the information provided

Quizplus · Accepted Answer

Adding a 70-year-old male with a finishing time of 35 minutes would likely be an outlier, potentially weakening the existing correlation and causing the correlation coefficient to decrease.

The Following Scatterplot Displays the Finish Time (In Minutes) and Age