Math, asked by rannutiwari754, 1 month ago

The means of two groups of 15 and 20 obsenations are 10 and as respectively. Find the mean of all the 35 observations.

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Answered by NavoditNarayanMishra

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The means of two groups of 15 and 20 obsenations are 10 and as respectively. Find the mean of all the 35 observations.

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