Question

calculating the mean walkthrough
lets find the mean of the data set {2, 1, 2, 4, 5, 4} together.

add up all of the data points.

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Explanation:

Step1: Sum the data points

Add the numbers: \(2 + 1 + 2 + 4 + 5 + 4\).
First, \(2 + 1 = 3\), then \(3 + 2 = 5\), \(5 + 4 = 9\), \(9 + 5 = 14\), \(14 + 4 = 18\).

Answer:

18