Answers

2016-03-13T09:47:01+05:30
Total employs = 12

mean salary = 15000

∑x/12 = 15000

∑x= 15000 × 12 = 180000

one person has resign whose salary was 21000

total monthly wages of 11 person
180000-21000 = 159000

so the new mean = 159000/11=14454.54
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