24 12 33 1? 39 4-2 14 18 39 51 37 25 28 39 37 19 4-8 15 2'8 51 19 49 19 3? 15 51 22 38 [a] Find the number of classes needed to construct a histogram. Number of classes lb} Find the class length. [Round your answer to the nearest whole number.} Class length I Id} Tally the number of values in each class and develop a frequency distribution. (Round your midpoint and percent answers 101 decimal place} _-_______ _-_______