Question

What the geometric mean between 12 and 18

Answer 1

Answer: 14.7

Step-by-step explanation:

Data : 12,18    

Total Number of Values, N = 2

Step 1 : Find 1 / N

1 / N = 1 / 2 = 0.5

Step 2 : Find mean

GM = ( 12 * 18 )^ 0.5

       = 14.7

Answer 2

Step-by-step explanation:

The geometric mean between 12 and 18 =

$\sqrt{12 \times 18}$

$6 \sqrt{6}$

$14.69$

14.7