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Routine items available from many different sources are seldom purchased through competitive bidding.
F Statistic
A ratio used in ANOVA tests to determine if the means between two or more groups are significantly different.
Null Hypotheses
Postulates that assume no variance between specified variables in a study, used for statistical testing.
Research Hypotheses
Statements made by researchers that predict a relationship between two or more variables.
Total Sample Size
The aggregate number of observations or data points collected in a study.
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