The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected new mean is : Choose the correct choice:	A) 36.0	B) 36.5	C) 36.2	D) 36.1	E) 36.8
Explanation:   Correct Sum = (36 * 50 + 48 - 23)= 
<gadget id="calculator">(36 * 50 + 48 - 23)</gadget>
<output>1_825</output>
1825.   Correct mean= = 1825/50= 
<gadget id="calculator">1825/50</gadget>
<output>73/2 = around 36.5</output>
36.5   Answer: 36.5) 36.5
<result>B</result>
The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected new mean is :