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Piaget's term for the knowledge that an object exists even when it is out of sight is
Standard Error
The standard deviation of the sampling distribution of a statistic, typically used to measure the accuracy of sample mean estimates.
Population Standard Deviation
A statistic that measures the dispersion or spread of a set of data points in a population.
Sample Size
The number of observations or data points collected in a statistical study.
Z Score
A raw score that is adjusted for the mean and standard deviation of the distribution from which the raw score comes.
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