Hich statement is true about a dot plot? a. a dot plot shows the median of a data set. b. a dot plot shows the first quartile, but not the second quartile of any given data set. c. a dot plot shows the frequency of the individual values of any given data set. d. a dot plot shows the frequency of an interval of values of any given data set. e. a dot plot gives information about the average of any given data set.