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Constitutional amendments can be ratified by:
Descriptive Statistics
Statistical methods that summarize and describe the features of a data set, including measures of central tendency and variability.
Hypotheses
Proposed explanations made on the basis of limited evidence as a starting point for further investigation, often tested statistically.
Confounding Variables
External variables that can affect the outcome of an experiment, making it difficult to establish a clear cause-and-effect relationship.
Random Assignment
The assignment of participants to categories of an independent variable such that each participant has an equal chance of being assigned to each category.
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