Question

If the mean of 6, 8, 5, x and 4 is 7, then the
value of x is
(A)
11
(B) 12
(C) 13
(D) 14
​

Answer 1

Answer:

mean=sum of observation /total number of observation

mean=7

therefore, 7= 6+8+5+x+4/5

..... 7=23+x/5

.... 7×5=23+x

.... 35=23+x

... x= 35—23

....

x=12 aNswEr

......mark it as brainlist

hope this helps you...

Answer 2

Step-by-step explanation:

6+8+5+x+4+/5=7

23+x=35

x=12