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Moments & Estimation
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Sampling distributions
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744.
Standard Error of the Mean Interpretation
easy
The standard error of the sample mean is defined as σ/√n. What does this tell us?
A
The spread of individual observations around the population mean in the dataset
B
How much the sample mean varies across repeated samples of size n
C
The minimum sample size needed to achieve a given level of statistical precision
D
The average prediction error made by a statistical model on unseen data
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