Example 3: The electricity bill (in rupees) of 50 houses in a certain locality for the period 01-12-
2010 to 28-02-2011 are as
follows:
900, 850, 700, 650, 850, 250, 275, 300, 325, 625, 825, 775, 825, 850, 890, 700, 600, 400, 300,
250, 275, 300, 500, 750, 825, 900, 675, 550, 575, 200, 275, 600, 325, 350, 425, 475, 500, 375,
250, 625, 725, 675, 825, 875, 625, 300, 200, 450, 600.
(i) Draw a frequency distribution table using tally marks.
(ii) Make frequency table with intervals as 200-300, 300-400; and so on.
(iii) Draw a histogram for the frequency table?
(iv) How many houses are paying maximum electric bill?
(v) How many houses are paving less than Rs 5002
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