4-4- 23 27 5 1 1 8 4-1 4-6 18 13 34 2'8 28 16 39 28 56 31 23 4-? 12 25 32 18 15 3'8 12 14 4-6 In] Find the number of classes needed to construct a histogram. Number of classes _ Eb} Find the class length. [Round your answer to the nearest whole number.} {d} Tally the number of values in each class and develop a frequency distribution. (Round your midpoint and percent answers to 1 decimal place.) Data Cumulative "www _I_______ _I-__-_-_ _I_______ _I-______ _I_______