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Which of the following measures how scores differ from each other?
A) skewness
B) kurtosis
C) average
D) variability
Variability
The degree to which data points in a dataset differ from each other and from their mean, showing the spread or dispersion within the set.
Skewness
A measure of the asymmetry of the probability distribution of a random variable about its mean.
Kurtosis
A measure of the "tailedness" of the probability distribution of a real-valued random variable, indicating the sharpness of the peak of a frequency-distribution curve.
- Gain an understanding of and identify various metrics of variability.
- Assimilate the criticality of variability when examining descriptive statistics.
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Learning Objectives
- Gain an understanding of and identify various metrics of variability.
- Assimilate the criticality of variability when examining descriptive statistics.
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