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The mean of n items is X. If each item is successively increased by 3,3^2, 3^3, ……, 3^n, then new...
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The mean of n items is X. If each item is successively increased by 3,3^2, 3^3, ……, 3^n, then new mean equals
(1) x̅+3^n+1/n
(2) x̅+3 (3^n-1)/2 n
(3) x̅+3^n/n
(4) x̅+3 (3^n-1)/2 n
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(1) x̅+3^n+1/n
(2) x̅+3 (3^n-1)/2 n
(3) x̅+3^n/n
(4) x̅+3 (3^n-1)/2 n
📌 PHYSICS WALLAH OTHER CHANNELS :
📌 PHYSICS WALLAH SOCIAL MEDIA PROFILES :
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