1.

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

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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