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On a 'more than' ogive, the cumulative frequency plotted at the LOWER boundary of the last class equals:

Class 10Cumulative Frequency and OgiveStatistics and Probability
  • Athe total N
  • Bthe frequency of the last class
  • Czero always
  • DN/2

Step-by-Step Solution

At the last lower boundary, the more-than count is just the frequency of the final class.
Answer: B) the frequency of the last class

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