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What is the geometric mean of 7 and 11?
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3. Describing Data Numerically
Mean
Multiple Choice
What is the geometric mean of 3 and 12?
A
B
C
D
검증된 단계별 안내1
Understand that the geometric mean of two positive numbers \(a\) and \(b\) is given by the formula:
\[\text{Geometric Mean} = \sqrt{a \times b}\]
Identify the two numbers given in the problem: \(a = 3\) and \(b = 12\).
Substitute the values into the geometric mean formula:
\[\sqrt{3 \times 12}\]
Multiply the numbers inside the square root:
\[\sqrt{36}\]
Take the square root of the product to find the geometric mean:
\[\sqrt{36} = 6\]
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