Consider the following data: 44 23 27 51 18 41 46 18 13. 34 20 28 16 39 28 50 31 23 47 12 26 32 18 16 30 12 14 40 (a) Find the number of classes needed to construct a histogram. Number of classes (b) Find the class length (Round your answer to the nearest whole number.) Class length (d) Tally the number of values in each class and develop a frequency distribution. (Round your midpoint and perc decimal place.) Data Cumulative Lower Upper Midpoint Width Frequency Percent Frequency Percent 12(a) Find the number of classes needed to construct a histogram. Number of classes (b) Find the class length. (Round your answer to the nearest whole number.) Class length (d) Tally the number of values in each class and develop a frequency distribution, (Round your midpoint and perce decimal place.) Data umulative Lower Upper Midpoint Width Frequency Percent Frequency Percent 12