Plz solve it fast too important
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p is equal to 25 is this correct??
sarthakrahate24:
But solve it fully
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Answer:
P = 25
Step-by-step explanation:
x y xy
3 6 18
5 8 40
7 15 105
9 P 9P
11 8 88
13 4 52
------ ------------
41 + P 303 + 9P
∴ Mean = ∑xy/∑y
⇒ 8 = (303 + 9P)/(41 + P)
⇒ 8(41 + P) = 303 + 9P
⇒ 328 + 8P = 303 + 9P
⇒ 25 = P
Therefore, the value of P is 25.
Hope it helps!
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