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What is the geometric mean of 7 and 56?
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3. Describing Data Numerically
Mean
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What is the mean of the numbers 210, 160, and 200?
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Identify the numbers for which you want to find the mean: 210, 160, and 200.
Recall that the mean (or average) of a set of numbers is found by summing all the numbers and then dividing by the count of numbers.
Calculate the sum of the numbers: \(210 + 160 + 200\).
Count the total number of values, which in this case is 3.
Divide the sum by the number of values to find the mean: \(\frac{210 + 160 + 200}{3}\).
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