sigma fi=15,sigma xifi=3p+315 if the mean 23 find p
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23=3p+315÷15
P=10 ..............
P=10 ..............
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3 p + 315/ 15 = 23
3 p + 315 = 23× 15
3 p + 315 = 345
3 p = 345 - 315
3 p = 30
p = 30/ 3
p = 10
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3 p + 315 = 23× 15
3 p + 315 = 345
3 p = 345 - 315
3 p = 30
p = 30/ 3
p = 10
Pls mark brainliest if it helps u ....
Cheers !!!!!!!!!!
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