Table 1.14 represents the number of customers visited by a salesman over an 80-week period

Use Excel to construct a grouped frequency distribution from the data set in Table 1.14 and indicate both stated and mathematical limits (start at 50–54 with class width of 5).

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68 54 59 64 75 82 71 82 83 71 79 62 88 78 62 76 85 Table 1.14. 75 61 75 94 77 68 69 67 53 60 654774 62 88 76 93 73 79 88 73 60 93 87 74 62 95 78 63 72 60 96 78 89 89 61 75 95 78 85 76 65 71 75 65 86 67 73 81 72 63 76 97 75 74 68 78 66 78 60 79 80 73 57 75 85 77