question of statistics n=100 wrong mean is50 and correct mean is 150 then whats a answer
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Step-by-step explanation:
let correct term be x and wrong term is y
∴a1+a2+a3+--------a99+y =100*50
⇒a1+a2+a3------------a99= 5000-y -----------1
∴a1+a2+a3+a4--------a99+x=100*150
⇒a1+a2+a3------------a99=15000-x --------------2
∴eq1 =eq2
⇒5000-y=15000-x
⇒x-y=10000
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