Examlex
In sampling from the population,a _____ is a unique group representing a segment of the population of interest and which has been predetermined by the researcher.
Standard Deviation
A measure of the dispersion or variability within a set of numerical data, indicating how spread out the numbers are from the average.
Interquartile Range
The difference between the 75th and 25th percentiles of a data set, representing the middle 50% of values.
Range
The difference between the highest and lowest values in a data set, giving a measure of the data’s dispersion.
Standard Deviation
A measure of the amount of variation or dispersion of a set of values, indicating how spread out the values are from the mean.
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