Here are 3 boxplots of weekly gas prices at a service station in the U.S.A.(price in $ per gallon).Compare the distribution of prices over the three years.
A)Gas price have been increasing on average over the 3-year period,but the spread has been decreasing.The distribution has been skewed to the left,and there were 3 high outliers in 2005.
B)Gas price have been increasing on average over the 3-year period,and the spread has been increasing as well.The distribution has been skewed to the right,and there were 3 high outliers in 2005.
C)Gas price have been decreasing on average over the 3-year period,and the spread has been decreasing.The distribution has been skewed to the left,and there were 3 high outliers in 2005.
D)Gas price have been decreasing on average over the 3-year period,but the spread has been increasing.The distribution has been skewed to the right,and there were 3 high outliers in 2005.
E)Gas price have been increasing on average over the 3-year period,and the spread has been increasing as well.The distribution has been skewed to the left,and there were 3 high outliers in 2005.

Question

Here are 3 boxplots of weekly gas prices at a service station in the U.S.A.(price in $ per gallon).Compare the distribution of prices over the three years. 
A)Gas price have been increasing on average over the 3-year period,but the spread has been decreasing.The distribution has been skewed to the left,and there were 3 high outliers in 2005. 
B)Gas price have been increasing on average over the 3-year period,and the spread has been increasing as well.The distribution has been skewed to the right,and there were 3 high outliers in 2005. 
C)Gas price have been decreasing on average over the 3-year period,and the spread has been decreasing.The distribution has been skewed to the left,and there were 3 high outliers in 2005. 
D)Gas price have been decreasing on average over the 3-year period,but the spread has been increasing.The distribution has been skewed to the right,and there were 3 high outliers in 2005. 
E)Gas price have been increasing on average over the 3-year period,and the spread has been increasing as well.The distribution has been skewed to the left,and there were 3 high outliers in 2005.

Quizplus · Accepted Answer

The boxplots show that the median gas price has increased over the three-year period, and the spread of the data (as shown by the size of the boxes) has also increased. The boxplots are skewed to the right, indicating that there were more high prices than low prices. Additionally, there were three high outliers in 2005, as indicated by the dots above the upper whisker.

Here Are 3 Boxplots of Weekly Gas Prices at a Service