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In a frequency table, the total of all frequencies is 50. The frequencies of three categories are 12, 18 and 10. The fourth category's frequency is split equally between two new sub-groups.
How many fall in EACH sub-group?

Class 6Organising DataData Handling
  • A10
  • B6
  • C5
  • D4

Step-by-Step Solution

Fourth category = 50 - (12 + 18 + 10) = 50 - 40 = 10. Split equally between two sub-groups: 10 / 2 = 5 each.
Answer: C) 5

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