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The class marks of a continuous frequency distribution are 10, 14, 18, 22. The class size is:

Class 9Collection and Presentation of DataStatistics and Probability
  • A4
  • B3
  • C5
  • D8

Step-by-Step Solution

The class size equals the common difference between consecutive class marks = 14 - 10 = 4.
Answer: A) 4

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