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there are 50 numbers each no.is sbtracted from53 and the mean of the no.is obtained is found to be 3.5 the mean of the given no. is |
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Answer» Answer: 56.5 Step-by-step EXPLANATION: LET X be the MEAN of 50 numbers. ∴ sum of 50 numbers = 50x Since each number is subtracted from 53. According to question, we have 53 × 50 - 50x / 50 = - 3.5 ⇒ 2650 - 50x = -175 ⇒ 50x = 2825 ⇒ x = 2825 / 50 = 56.5 |
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