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Determine whether the points A, B, C and D form a parallelogram.
-A(-2, 10) ; B(1, 9) ; C(3, 1) ; D(6, 4)
Control Group
In an experiment, a group of people, similar to those in the experimental group, who do not receive the treatment under study.
Cause and Effect
A relationship where one event (the cause) makes another event happen (the effect).
Random Selection
A method of sampling in which participants are chosen from a larger population entirely by chance, ensuring that every individual has an equal probability of being selected.
Random Assignment
Assignment of participants in an experiment to groups in such a way that each person has an equal chance of being placed in any group.
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