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According to Erikson,what is the developmental challenge during early childhood?
Population Mean
The average value of a population attribute.
Population Standard Error
The standard deviation of a sampling distribution, measuring the dispersion of sample means around the population mean.
Confidence Interval
A range of values, derived from the statistics of observed data, that is likely to contain the value of an unknown population parameter.
Mean
The average of a set of numbers, calculated by dividing the sum of all values by the number of values.
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