Examlex
Piaget proposed four stages of cognitive development. Which of the following is NOT one of his stages?
Confidence Interval
A range of values, derived from a data set, that is likely to contain the value of an unknown population parameter with a certain degree of confidence.
Margin Of Error
The range of uncertainty or the maximum expected difference between the true population parameter and a sample estimate of that parameter.
Sample Standard Deviations
A measure of the dispersion or variability of a sample dataset, indicating how much the individual data points differ from the sample mean.
Equal Sample Sizes
A situation in statistical analysis where all groups or categories being compared have the same number of observations or data points.
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