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Mean of 20 values is 35. The new mean if each reading is first divided by 5 and then 2 is added to it is.1. 92. 113. 364. None of these |
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Answer» Correct Answer - Option 1 : 9 Given The mean of 20 values = 35 Formula Used Mean = sum of observation/No. of observation Calculation New mean = 35 /5 = 7 so Every observation = 7 Added 2 in every observation so observation become = 7 + 2 = 9 ∴ The required answer is 9 |
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