How Is the Null Hypothesis of the Independent Samples T-Test

question 49

Multiple Choice

How is the null hypothesis of the independent samples t-test verbalized?

• A)There is a relationship between the independent variable and the dependent variable.
• B)There is no relationship between the independent variable and the dependent variable.
• C)The difference between the sample means is equal to µ.
• D)The independent variable has an effect on the dependent variable.

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Definitions:

Serotonin

A neurotransmitter that has a wide variety of functions in the human body, often associated with contributing to feelings of well-being and happiness.

Serotonin

A neurotransmitter in the brain that affects mood, social behavior, appetite, digestion, sleep, memory, and sexual desire.

Depression

A common psychological condition involving persistent sadness, loss of interest in activities, and may include various emotional and physical problems.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, affecting heart rate, blood pressure, and levels of arousal and alertness.