Question

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

Answer 1

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

Answer 2

Answer:

Step-by-step explanation: