Which one of the following statement is incorrect?

		One benefit of the box plot is that it displays the spread of the distribution
		A trimmed mean may be preferable to a mean when a data set has extreme values
		A certain health maintenance organization (HMO) examined the number of office visits by its members in the last year. This data set would probably be skewed to the left due to low outliers
		A data set with two values that are tied for the highest number of occurrences is called bimodal
		It is inappropriate to apply the Empirical Rule to a population that is right-skewed