Shaun Connor,Human Resources Manager forAmerican Oil Terminals (AOT),is reviewing the operator training hours at AOT nationally.His staff compiled the following table of national statistics on operators training hours. What can Shaun conclude from these statistics?
A)The East Coast distribution is skewed to the left.
B)The East Coast distribution is skewed to the right.
C)The West Coast distribution is skewed to the left.
D)The West Coast distribution is skewed to the right.
E)Both distributions are symmetrical.

Question

Shaun Connor,Human Resources Manager forAmerican Oil Terminals (AOT),is reviewing the operator training hours at AOT nationally.His staff compiled the following table of national statistics on operators training hours.  What can Shaun conclude from these statistics?
A)The East Coast distribution is skewed to the left. 
B)The East Coast distribution is skewed to the right. 
C)The West Coast distribution is skewed to the left. 
D)The West Coast distribution is skewed to the right. 
E)Both distributions are symmetrical.

Quizplus · Accepted Answer

The East Coast distribution is skewed to the right because the mean (114) is greater than the median (97) and the mode (80). The West Coast distribution is approximately symmetrical because the mean (100) and median (100) are close and there is not a clear outlier in the data.

Shaun Connor,Human Resources Manager ForAmerican Oil Terminals (AOT),is Reviewing the Operator