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Consider the following distribution: | Marks obtained | Number of students | |----------------|--------------------| | More than or equal to 0 | 63 | | More than or equal to 10 | 58 | | More than or equal to 20 | 55 | | More than or equal to 30 | 51 | | More than or equal to 40 | 48 | | More than or equal to 50 | 42 | the frequency of the class 30-40 is
The following are the ages of 300 patients getting medical treatment in a hospital on a particular day: | Age (in years) | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 | |----------------|-------|-------|-------|-------|-------|-------| | Number of patients | 60 | 42 | 55 | 70 | 53 | 20 | Form: (i) Less than type cumulative frequency distribution. (ii) More than type cumulative frequency distribution.
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