The Null Hypothesis for a Two-Tailed Independent-Groups T-Test States That $\mu$

question 17

Multiple Choice

The null hypothesis for a two-tailed independent-groups t-test states that

• A)H₀: \(\mu\)₁ \(\neq\) \(\mu\)₂.
• B)H₀:\(\mu\)₁ = \(\mu\)₂.
• C)H_a: \(\mu\)₁ \(\neq\) \(\mu\)₂.
• D)H_a: \(\mu\)₁ = \(\mu\)₂.

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Definitions:

Observations

The act of monitoring or recording systematically selected variables or phenomena to gather data for analysis.

Illusory Correlation

The mistaken perception of a relationship between two variables that are, in fact, not related.

Cognitive Bias

A systematic pattern of deviation from norm or rationality in judgment, where individuals create their own "subjective reality" from their perception.

Temporal Precedence

A principle stating that for one thing to cause another, the cause must occur before the effect.