the mean of the following data is 7.5 find the value of p
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Let,
( p + q + r + s + t ) /5 = 7.5
=> p + q + r + s + t = 37.5
=> p = 37.5 - ( q+r+s+t)
( p + q + r + s + t ) /5 = 7.5
=> p + q + r + s + t = 37.5
=> p = 37.5 - ( q+r+s+t)
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