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Given the data values 7, 4, 2, 1, 7, and 3, what is the arithmetic mean?
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3. Describing Data Numerically
Mean
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Topic: Mean. What is the mean of the data set ?
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Identify the data set given: 4, 7, 9, 10, 8, 7.
Count the number of data points in the set. This is the value of \(n\).
Calculate the sum of all the data points using the formula: \(\text{Sum} = 4 + 7 + 9 + 10 + 8 + 7\).
Use the formula for the mean (average): \(\text{Mean} = \frac{\text{Sum of all data points}}{n}\).
Substitute the sum and the number of data points into the formula and simplify to find the mean.
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