The distance (in km) of 40 engineers from their residence to their place of work were found as follows:
The distance (in km) of 40 engineers from their residence to their place of work were found as follows:
5 3 10 20 25 11 13 7 12 31
19 10 12 17 18 11 32 17 16 2
7 9 7 8 3 5 12 15 18 3
12 14 2 9 6 15 15 7 6 12
Construct a grouped frequency distribution table with class size 5 for the data given above taking the first interval as 05 (5 not included). What main features do you observe from this tabular representation?
Since the given data is very large, we construct a grouped frequency distribution table of class size 5, class interval will be 05, 510, 1015, 1520 and so on.
The data is represented in the grouped frequency distribution table as:
In the given table the classes do not overlap. Also we find that, the houses of 36 out of 40 engineers are below 20 km of distance.

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