Let {p} be the mean of {m} observations and {q} be the mean of {n} observations, where p \\leq q . If the combined mean of (m+n) observations is c, then which of the following is correct?

UPSC CDS 1 2021 Math Paper

Question : 56 of 100

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Let p be the mean of m observations and q be the mean of n observations, where p≤q . If the combined mean of (m+n) observations is c, then which of the following is correct?

c≤p
c≥p
p≤c≤q
q≤c≤p

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