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A distribution has classes of width 10 with median class 30-40. Given cf before the median class = 24, f = 30, and median = 35, what is the value of n?

Class 10Median of Grouped DataStatistics and Probability
  • A86
  • B156
  • C70
  • D78

Step-by-Step Solution

. So , giving .
Answer: D) 78

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