For which distributions is the median the best measure of center?

Select each correct answer.

A bar graph with bars that gradually rises up to over 28 y then drop down to just above 10 y.

A bar graph with a majority of values measured above 4 y.

A bar graph that steeply rises to 30 y then steeply drops to values above 2 y.

A bar graph that forms a pyramid of bars, the vertex of which is 35 y.