The Researcher's Null Hypotheses Is H₀: σ² = 420

question 15

Multiple Choice

The researcher's null hypotheses is H₀: σ² = 420. A sample of n = 18 items yields a sample variance of s² = 512. The test statistic is:

• A)34.09
• B)20.72
• C)14.77
• D)must know α to answer.

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Definitions:

Pleasure Principle

The driving force of the unconscious that wants whatever brings pleasure.

Immediate Gratification

The desire to experience pleasure or fulfillment without delay or deferment.

Societal Expectations

Refers to the anticipated behaviors and roles that society presumes individuals will follow based on cultural norms and traditions.

Conscious Mind

The aspect of the mind that is aware of the self, one's surroundings, and one's thoughts, feelings, and experiences at any given moment.