Question

The mean of x,x+2,x+4,x+6,and x+8 is 23 . Find the value of the x.Also find the mean of last 4 observations​

Answer 1

Answer:

x+x+2+x+4+x+6+x+8/5=23

5x+20/5=23

5x+20=23×5

5x+20=115

5x=115-20

5x=95

x=95/5=19

Answer 2

Answer:

Step-by-step explanation:

x+x+2+x+4+x+6+x+8=23

5x+20=23

5x=3

x=3/5

substitute the value of x in last 4 observations and divide it by 4