Examlex
If secrecy is a major concern,then it is best to use an outside research agency.
Population Standard Deviation
A measure of the dispersion or variability within a full population, indicating how much individual points differ from the population mean.
Sample Size
The number of individual observations or data points collected and included in a sample from a population for analysis.
Effect Size
A quantitative measure of the magnitude of a phenomenon or the strength of the relationship between variables in statistical analysis.
SPSS
A widely used software package for statistical analysis in social science research.
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