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A random sample of n 12 was taken from a population of values. The mean of this sample was X from this population. The mean of the 13 values is now X 6.6. 6.3. An additional data point was chosen What is the value of the 13-th data observation chosen? Enter your answer using one-decimal place.

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Answer #1

Griven rmar 12 456 hence theneusu edde.d Bth valvt fS 13 @ z 10.2

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