Use the Following to Answer Questions

question 120

Multiple Choice

Use the following to answer questions :
y = 20 sin + 320
-Identify the horizontal shift (HS) .

• A) HS: units right
• B) HS: 6 units right
• C) HS: units left
• D) HS: 6 units left

---

Definitions:

Experimental Group

In an experiment, the group of participants that receives the treatment or intervention under investigation, as opposed to the control group.

Random Assignment

Assigning participants to experimental and control groups by chance, thus minimizing preexisting differences between the different groups.

Test Difficulty

The measure of how challenging an examination or a set of questions is, often determined by the proportion of test-takers who answer correctly.

Experimental Group

The group in an experiment that receives the variable being tested, contrasted with a control group that does not.