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Mean = 4
Number of observations= 8
Sum = p² + 31p
Mean = Sum / Number of values
4= p²+31p/8
32= p²+ 32
p²+32-p+32
p(p+32) -1 (p-32)
(p+1) (p+32) = 0
p= (-1) or p = (-32)
Number of observations= 8
Sum = p² + 31p
Mean = Sum / Number of values
4= p²+31p/8
32= p²+ 32
p²+32-p+32
p(p+32) -1 (p-32)
(p+1) (p+32) = 0
p= (-1) or p = (-32)
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