Examlex
According to the classification by Thomas and Chess, an easy child has irregular sleep and feeding schedules.
Test Statistic
A statistic whose calculated value is used to decide whether to reject the null hypothesis in a hypothesis test.
Population Distribution
The distribution of a characteristic within an entire population, described by parameters such as mean, variance, and standard deviation.
Null Hypothesis
A hypothesis that suggests there is no statistical significance between two variables, often used as a default hypothesis in testing.
Standard Deviation
A measure of the dispersion or spread of a set of values, indicating how much the values deviate from the mean of the data.
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