Examlex
Six-year-old Dylan was taught a card game in which aces are "wild." His friend suggests that they make all the eights wild as well.Dylan insists that this is impossible as only aces can be wild.Piaget would describe Dylan as being in the stage of ________ morality.
µ = 145
A statement indicating that the mean (average) of a particular set of data or population is equal to 145.
Standard Error
The standard deviation of the sampling distribution of a statistic, typically the mean, reflecting the variation of the sampling statistic over different samples.
Mean
The arithmetic average of a set of numbers, obtained by dividing the sum of these numbers by their quantity.
Z-statistic
A statistic used to determine the difference between an observed statistic and its hypothesized population parameter, measured in units of the standard deviation.
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