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In a frequency table with classes of equal size, the class mark of the first class is 4 and there are 5 classes in all with class size 6.
What is the upper limit of the last (fifth) class?

Class 8Organising DataData Handling
  • A34
  • B28
  • C31
  • D62

Step-by-Step Solution

First class mark 4, size 6 -> first class is 1-7. Successive classes: 1-7, 7-13, 13-19, 19-25, 25-31. Upper limit of fifth class = 31.
Answer: C) 31

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