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ApopulationofN=10scoreshasameanof

μ = 6. After one score is removed, the mean is found to be M = 5.
What is the value of the score that was removed?

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6 * 10 = 60
(60-y)/9 = 5

60-y = 45
60-45 = y

15 = y
The value of the score that was removed 15

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