the mean of monthly salary of 12 employees of a firm is RS 14500 if one more person joins the firm who gets 18400 permonth then what will be the monthly salary now
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given data:
Mean = Sum of Salary of 12 mens / 12
Sum of salary of 12 mens = Mean * 12
=14500 * 12
= 174000
New Mean = Sum of salary of first 12 mens + salary of new guy/ 13
= 174000 + 18400 / 13
= 192400 / 13
= Rs 14800
Answer ⇒ New Mean Monthly Salary Now = Rs 14800
Mean = Sum of Salary of 12 mens / 12
Sum of salary of 12 mens = Mean * 12
=14500 * 12
= 174000
New Mean = Sum of salary of first 12 mens + salary of new guy/ 13
= 174000 + 18400 / 13
= 192400 / 13
= Rs 14800
Answer ⇒ New Mean Monthly Salary Now = Rs 14800
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