Question

What is the geometric mean between 2 and 50?

Answer 1

Geometric mean = (Max value + Min value) / 2 = (2+50) / 2 = ?

Answer 2

see https://en.wikipedia.org/wiki/Geometric_mean

the geometric mean of two numbers a and b is
\[ \text{ geo. mean } = \sqrt{ab} \]

Answer 3

arithmetic mean is half the sum of 2 values

phi is correct for the geometric mean of 2 values