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According to Piaget, what stage of development occurs from age 2 through to age 7?
Variance
A statistical measure that represents the degree of spread or dispersion of a set of data values around their mean.
Standard Deviation
A measure of the amount of variation or dispersion in a set of values.
Poisson Distribution
A probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time or space, assuming these events happen with a known constant rate and independently of the time since the last event.
Poisson Distribution
A discrete probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time or space, assuming that these events occur with a known constant mean rate and independently of the time since the last event.
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