Math, asked by palsabita1957, 5 months ago

The median of the. following data is 16 .Find the missing frequencies a and B if the total of the frequencies is 70 .

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Answered by rohannayak2369

6

Step-by-step explanation:

Let a and b be the missing frequencies of class intervals 5 – 10 and 20 – 25 respectively. Then, 55 + a + b = 70 ⇒ a +b=15 …..(1) Median is 16, which lies in 15 – 20. So, the median class is 15 – 20. ∴ l = 15, h = 5, N = 70, f = 15 and cf = 24 + a Now,

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