Math, asked by nishithabaje, 1 month ago

If the mean of first set of n observations is 6. The mean of second set of 3n observations is m and the combined mean of two sets is 21, then the value of m is

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Answered by umanaishadham38

1

Answer:

꧁༺ ₦Ї₦ℑ₳ ƤℜɆĐ₳₮Øℜ ༻꧂

꧁༺ ₦Ї₦ℑ₳ ƤℜɆĐ₳₮Øℜ ༻꧂

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