Question

12. If the mean of 5,8, 3x +4 , 5x-9,6, 10 is 8 then sind
the value of 'x?

Answer 1

Mean=Sum of all the observation/No of observation

5+8+3x+4+5x-9+6+10/8=8

24+8x=64

x=64-24/8

x=5

Answer 2

Answer:

We know that

Mean is sum of all the values /no.of value s