1. The following data represent the weekly saving in pesos of employees in a firm. 57 49 52 18 65 26 24 16 91 29 52 58 35 35 9 78 67 44 47 67 84 71 59 61 82 38 38 50 65 39 54 71 42 85 43 56 57 48 63 73 a. Construct a frequency table with 7 classes b. Construct "less than" cumulative frequency polygon (ogive) c. Construct a relative frequency polygon d. Construct a frequency histogram

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