Q2. 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 0-5 (5 not included). What main features do you observe from this tabular representation?

Answers (1)

The record distances between the engineer's workplace and place of residence can be assembled as:

S.no. Distances Intervals Frequency  
1 0-5 5  
  5-10 11  
3 10-15 11  
4 15-20 10  
5 20-25 1  
6 25-30 1  
7 30-35 1  
8 TOTAL 40  

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