मराठी

The consumption of electricity (in units) for one month of 36 houses in a colony are given below: 63, 72, 98, 121, 129, 120, 74, 95, 81, 65, 51, 59, 118, 106, 96, 88, 84, 110, 68, 112, 87, 93, 81, 78, - Mathematics

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प्रश्न

The consumption of electricity (in units) for one month of 36 houses in a colony are given below:

63 72 98 121 129 120 74 95 81 65 51 59 118 106 96 88 84 110
68 112 87 93 81 78 115 100 113 124 79 116 102 123 110 104 108 103

Construct a grouped frequency distribution table by taking classes 50 - 60, 60 - 70, ...

बेरीज
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उत्तर

Class Interval
(in units)
Tally Marks Frequency
50 - 60 `bb|bb|` 2
60 - 70 `bb|bb|bb|` 3
70 - 80 `bb|bb|bb|bb|` 4
80 - 90 `cancel(bb|bb|bb|bb|)` 5
90 - 100 `bb|bb|bb|bb|` 4
100 - 110 `cancel(bb|bb|bb|bb|) bb|` 6
110 - 120 `cancel(bb|bb|bb|bb|) bb|bb|` 7
120 - 130 `cancel(bb|bb|bb|bb|)` 5
Total   36
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पाठ 15: Statistics - EXERCISE 15A [पृष्ठ १८६]

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बी निर्मला शास्त्री Mathematics [English] Class 9 ICSE
पाठ 15 Statistics
EXERCISE 15A | Q 6. | पृष्ठ १८६
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