Question

16. The electricity bills (in rupees) of 25 houses in a locality are given below. Construct a
grouped frequency distribution table with a class size of 75.
170,212,252,225,310,712,412,425,322,325,192,198,230,320,412,530,602,724,370,402.
317,403,405,372,413
table
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Answer 1

Electric bill in (Rs) Number of house (f)

class intervals

150-225 4

225-300 3

300-375 7

375-450 7

450-525 0

525-600 1

600-675 1

675-750 2