Question

. The mean monthly salary of 10 members of a group is ` 1445, one more member whose monthly salary is ` 1500 has joined the group. Find the mean monthly salary of 11 members of the group.

Answer 1

CI is 1. frequency is

Answer 2

Answer:

no. of members=10

mean salary=1445

      mean=total salary

               no. of members

1445=x

        10

x=14450

new total of salary after addition of new member=14450+1500

                                                                                  =15950

mean=total salary

               no. of members

mean=15950

             11

mean=14450

Step-by-step explanation: