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 $75$ .
$170, 212, 252, 224, 310, 712, 412, 425, 322, 325, 192, 198, 230, 320, 412, 530, 602, 724, 370, 402, 317, 403, 405, 372, 413$

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Solution

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

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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 75.170,212,252,224,310,712,412,425,322,325,192,198,230,320,412,530,602,724,370,402,317,403,405,372,413

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

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 $75$ .
$170, 212, 252, 224, 310, 712, 412, 425, 322, 325, 192, 198, 230, 320, 412, 530, 602, 724, 370, 402, 317, 403, 405, 372, 413$

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