The data below shows the stem and leaf plot of the number of counties in some U.S. states in 2013.Which of the following statements are true? Select all that apply. a) There are $_5$_ states in the data set that have $_10$_  counties or greater but have $_19$_ counties or lesser.b) There are $_4$_ states in the data set that have $_20$_  counties or greater but have $_29$_ counties or lesser.c) There are $_11$_ values in the data set.d) There are $_16$_ values in the data set.