The mean of 50 observations was 36. It was found later that an observation 30 was wrongly taken as 23. The corrected new mean is :
Choose one:
A) 36.02	B) 36.14	C) 36.12	D) 36.11	E) 36.8
Explanation:   Correct Sum = (36 * 50 + 30 - 23) = 1825.   Correct mean = = 1807/50= 
<gadget id="calculator">1807/50</gadget>
<output>1_807/50 = around 36.14</output>
36.14   Answer: 36.14) 36.14
<result>B</result>
The mean of 50 observations was 36. It was found later that an observation 30 was wrongly taken as 23. The corrected new mean is :