Question

25. If the mean of observations x,x+ 2 x + 5,x+7 and x + 10 is a, then find 'x'.​

Answer 1

Answer:

it may help you

have a nice day

Answer 2

I am a little bit confused the numbers may be

1. x , x+2, x+5, x+7, x+10

OR

2. x , x+2x+5, x+7, x+10

Step-by-step explanation:

1.

a=(x+x+2+x+5+x+7+x+10)/5

a=(5x+24)/5

a=x+(24/5)

x=a-4.8

2.

a=(x+x+2x+5+x+7+x+10)/4

a=(6x+22)/4

a=(3x+11)/2

2a-11=3x

x=(2a-11)/3