Examlex
Observation allows for the interpretation of nonverbal behavior to supplement information from interviewers.
Standard Normal Distribution
A normal distribution with a mean of zero and a standard deviation of one.
Population Mean
The sum of the values in the population divided by the number of values in the population.
Degrees Of Freedom
The count of the number of values in a calculation that are free to vary without infringing on the given data.
T-Distribution
A probability distribution that arises in the sampling distribution of sample means, especially useful when the sample size is small and the population standard deviation is unknown.
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