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The distance in km of 32 engineers from their residence to their place of work were found as follows:
4, 6, 10,12, 8, 13, 12, 9, 11, 16, 10, 18, 15, 3, 8, 4,10, 8, 7, 9, 5, 15, 18, 3, 11, 15, 2, 10, 14, 7, 6, 12
Construct a grouped frequency distribution table with class-size for the data given above taking the first interval as 0–5.
