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guajiro [1.7K]
3 years ago
7

Dr. Branch would like to study the relationship between room lighting and college students' test performance. He randomly assign

s students to one of two groups. The first group takes an exam in a dimly lit room; the second group takes the same exam in a regularly lit room. Which is the experimental group?.
SAT
1 answer:
solong [7]3 years ago
3 0

The <em>first group </em>that takes an exam in a dimly lit room is the experimental group in this research.

<h3>What is Experimental Group?</h3>

In a research experiment, the group of research subjects that the researcher administered a treatment to and studies the effect is what is referred to as the experimental group.

Therefore, the <em>first group </em>that takes an exam in a dimly lit room is the experimental group in this research.

Learn more about experimental group on:

brainly.com/question/22675982

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There are different kinds of angles. The statement that will accurately correct the two-column proof is that the definition of angle on a straight line.

<h3>What is straight angle? </h3>
  • This is an angle whose sides sit in opposite directions from the vertex  usually in the same straight line and is said to be equals two right angles.

Two angles are known to be supplementary when their measures if sum up reaches  180 degrees.

Conclusively, Looking at the angle, m∠ZRY = 180°, this is because angle ZRY is a straight angle and it is not a supplementary angle.

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