Picture Data - Histograms Practice Problems 1. At the Regal Theater complex in Dallas, Texas, there was a matinee showing of the new Sylvester Stallone movie, Bumpy. The manager of the theater asked pa- trons as they entered the show to tell him their age. The results are given below. Age Group Frequency 4 - - - - 40 Under 10 3 35 10-19 15 30 20-29 26 25 30-39 34 20 40-49 28 15 50-59 19 60-69 5 10 15 70+ 2