RRB Group D 20-Sep-2018 Shift 3 Solved Paper
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In a survey conducted by a group of students on 20 households in a local area, the following frequency tables have been found related to the number of household family members:
Find the mode of this data.
| Household size | Number of families |
| 1 - 3 | 7 |
| 3 - 5 | 9 |
| 5 - 7 | 2 |
| 7 - 9 | 1 |
| 9 - 11 | 1 |
Find the mode of this data.
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