b) In a grouped data of 36 observations, the sum of the frequencies is 24 +p+q and sum
of all the items is 600 + 15p + 45q. Find the value of p and q. of mean is 25.
the
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In a grouped data of 36 observations, the sum of the frequencies is 24 +p+q and sum
of all the items is 600 + 15p + 45q. Find the value of p and q. of mean is 25.
the
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