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A(n)____________is a collection of personal computers networked together with sophisticated software tools to help group members solve problems and make decisions through interactive, electronic idea generation, evaluation, and voting.
Population Variances
Measures of the dispersion of a population data set, reflecting how much the members of the population differ from the population mean.
Ratio
A quantitative relationship between two numbers, indicating how many times one value is contained or can contain the other.
Sample Variances
A measure of the variance (spread or variability) within a sample data set.
Null Hypothesis
A statement in hypothesis testing that there is no significant difference or effect, serving as the default assumption to be tested against alternative hypotheses.
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