The ages of 40 men rendering stevedoring services for a company are as follows: 36 38 37 28 21 23 42 22 28 27 38 39 55 37 34 28 29 25 27 42 48 28 31 33 40 23 49 45 48 31 45 27 43 34 51 28 26 42 28 24 a) Make an array. b) Construct a frequency distribution using 6 classes with the lowest class starting at 20. c) Complete the parts of the frequency distribution. d) Draw a histogram and frequency polygon for the distribution.