Scelta multipla
What is the geometric mean of 5 and 20?
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3. Describing Data Numerically
Mean
Scelta multipla
What is the geometric mean of 4 and 9?
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Recall 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: 4 and 9.
Multiply the two numbers together: calculate \(4 \times 9\).
Take the square root of the product obtained in the previous step: calculate \(\sqrt{4 \times 9}\).
The result from the square root calculation is the geometric mean of 4 and 9.
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