2- If the mean is 8 ,find the value of p 3 5 7 f 6 8 15 x 9 11 13 р 8 4
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xf fixi 36 18 58 40 715 105 9p 9p 118 88 134 52 Total41+p 303+9p Mean =41+p303+9p
or, 8(41+p)=303+9p
or, 328+8p=303+9p
or, p=25
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