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According to Piaget,egocentrism in a child means that the child:
Population Standard Deviation
A measure of the dispersion or spread of a set of data points in a population, calculated as the square root of the variance.
Interval Estimate
An estimate of a population parameter that is given as a range of values, usually defined by two numbers forming an interval believed to contain the parameter.
Interval Estimate
An estimate of a population parameter given as a range (interval) of values, defined by upper and lower bounds.
Sample Size
The number of observations or datapoints collected in a sample, which is a subset of the population being studied.
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