If the mean of the following data is 18.6 determine the value of p
X | 15 | 16 | 19 | 20 | p |
f | 3 | 8 | 5 | 4 | 10|
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X= 15, 16, 19, 20, p
f = 3, 8,5, 4 ,10
Table is in the attachment
∑fixi= 448+10p
∑fi= 30
Mean= ∑fixi/∑fi
Mean = 18.6 (given)
18.6 = (448+10p)/ 30
18.6× 30 = 448+ 10p
558 = 448 +10p
558- 448 = 10p
110 = 10p
P = 110 /10= 11
Hence, the value of P is 11
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Hope this will help you.... ...
f = 3, 8,5, 4 ,10
Table is in the attachment
∑fixi= 448+10p
∑fi= 30
Mean= ∑fixi/∑fi
Mean = 18.6 (given)
18.6 = (448+10p)/ 30
18.6× 30 = 448+ 10p
558 = 448 +10p
558- 448 = 10p
110 = 10p
P = 110 /10= 11
Hence, the value of P is 11
================================================================================================================================
Hope this will help you.... ...
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