Examlex
Which of the following is not a variable that helps in finding useful decompositions of the sales data?
Summary Statistics
Refers to a set of descriptive indices that summarize the central tendency, dispersion, and shape of a dataset distribution, including measures such as mean, median, variance, and standard deviation.
T-Test
A statistical test used to compare the means of two groups to see if they are significantly different from each other.
Sample SD
The standard deviation of a sample, a measure of the dispersion or variability of data points within the sample.
Population Mean
The average value of a set of characteristics for the entire population.
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