Question

The Mean salary of a group of 50 persons is
Rs.5, 850. Later on it was discovered that the
salary of one employee has been wrongly
taken on Rs.8, 000 instead of Rs.7,800. The
corrected mean salary is:
a) Rs.5,854
b) Rs.5,846
c) Rs.5,650
d) None of these​

Answer 1

Answer:

c is right answer....

Step-by-step explanation:

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Answer 2

Answer:

Option(b)Rs 5846

Step-by-step explanation:

The Mean salary of a group of 50 persons is

Rs.5, 850.

Total=5850*50=Rs 2,92,500

one employee has been wrongly

taken on Rs.8, 000 instead of Rs.7,800.

Thus correct total=292500-200=Rs 292300

Thus mean salary=292300/50=Rs 5846