Scelta multipla
What is the mean of the data set ?
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3. Describing Data Numerically
Mean
Scelta multipla
What is the geometric mean of 3 and 15?
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Identify the numbers for which you want to find the geometric mean. In this case, the numbers are 3 and 15.
Recall the formula for the geometric mean of two numbers \(a\) and \(b\): \(\text{Geometric Mean} = \sqrt{a \times b}\).
Substitute the given numbers into the formula: \(\sqrt{3 \times 15}\).
Multiply the numbers inside the square root: \(3 \times 15 = 45\).
Express the geometric mean as \(\sqrt{45}\), which is the square root of the product of the two numbers.
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