Here Are 3 Boxplots of Weekly Gas Prices at a Service

question 14

Multiple Choice

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.

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Definitions:

Union Membership

The state of being a member of an organized group of workers who come together to make decisions about the work environment.

Highest Level

The maximum or most advanced stage of development or achievement in a particular area.

Unionized Labor

Workforce that is organized into a union, negotiating collectively for wages, benefits, and working conditions.