The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 47. The corrected new mean is? Choose the most appropriate option.
A) 36.7  B) 36.1  C) 36.5  D) 36.02  E) 36.3
Correct sum   = (36 * 50 + 48 - 47)= 
<gadget id="calculator">(36 * 50 + 48 - 47)</gadget>
<output>1_801</output>
1801.   Correct mean= 1801/50= 
<gadget id="calculator">1801/50</gadget>
<output>1_801/50 = around 36.02</output>
36.02   Answer:36.02
<result>D</result>
The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 47. The corrected new mean is?