Question

Marks : 1

If the mean of five observations x, x + 2, x + 4, x + 6, x + 8 is 11, then write the value of x.​

Answer 1

Answer:

x = 7 is the answer...!!

Step-by-step explanation:

Steps are given in the above attachment..!!!

Hope it helps!!!☺️

Answer 2

Answer:

Given

mean of five observations x, x+2, x+4, x+6, x+8 is 11.

Now, According to question,

11 = x+(x+2)+(x+4)+(x+6)+(x+8)/5

55 = x+(x+2)+(x+4)+(x+6)+(x+8)

55 = x+ x+2 + x+4 + x+6 + x+8

55 = 5x+20

55-20 = 5x

35 = 5x

x= 35/5

x = 7

Hope, it will help you.