Examlex
It is not uncommon for 5-year-old children to make more grammatical mistakes using the past tense than do 3-year-old children.
Percentile
A measure indicating the value below which a given percentage of observations in a group of observations falls.
Normal Random Variable
A variable whose values are distributed according to a normal distribution.
Mean
A measure of central tendency that is calculated by summing the values in a dataset and dividing by the number of values.
Normal Curve
A bell-shaped curve that depicts the distribution of data points in a way where most of the observations cluster around the mean, showing the properties of symmetry and asymptotic tails.
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