Examlex
The _____ is the difference between customers' expectations and their perceptions of customer service.
Sample Size
Refers to the number of observations or elements selected from a population for the purpose of statistical analysis.
Population Standard Deviation
A measure of the dispersion of a set of data from its mean, calculated for the entire population.
Confidence Interval
A set of numerical outcomes, sourced from gathering samples, anticipated to hold the measure of a not yet known population parameter.
Population Total
The sum total of all observations or values in the entire population being studied.
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