Measures of average and dispersion- Average (lec 2)

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July 7, 2021 at 8:50 pm #627182
atreyib
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Sir, in school, I have been taught that when the total frequency of observations is even, the middle value is n/2, but when it is odd, it is n+1/2. However, in the sum with the grouped data, the total is 52, but we have taken n/2 for median as 26.5 instead of 26.
July 8, 2021 at 7:27 am #627195
John Moffat
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It is always the (n+1)/2 observation.
July 8, 2021 at 10:40 pm #627252
atreyib
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okay sir, thank you so much
July 9, 2021 at 8:26 am #627264
John Moffat
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You are welcome 🙂
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