Geometric mean of $$$17$$$, $$$18$$$
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Find the geometric mean of $$$17$$$, $$$18$$$.
Solution
The geometric mean of data is given by the formula $$$\left(\prod_{i=1}^{n} x_{i}\right)^{\frac{1}{n}}$$$, where $$$n$$$ is the number of values and $$$x_i, i=\overline{1..n}$$$ are the values themselves.
Since we have $$$2$$$ points, $$$n = 2$$$.
The product of the values is $$$\left(17\right)\cdot \left(18\right) = 306$$$.
Therefore, the geometric mean is $$$\sqrt{306} = 3 \sqrt{34}$$$.
Answer
The geometric mean is $$$3 \sqrt{34}\approx 17.492855684535901$$$A.