In Using the Z-Test for Comparing Two Proportions,the Null Hypothesis

question 48

Multiple Choice

In using the Z-test for comparing two proportions,the null hypothesis is typically stated as ____.

• A)π₁ = π₂.
• B)π₁ ≠π₂.
• C)π₁ x π₂ = 1
• D)π₁ - π₂= 1

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Definitions:

State-Dependent Memory

The phenomenon where information learned in a particular state of mind is more easily recalled when in that same state.

Repulsed Feeling

An intense feeling of disgust or aversion towards something or someone.

Serial Position Effect

The finding that, for information learned in a sequence, recall is better for the beginning and ending items than for the middle items in the sequence.

Phi Phenomenon

The optical illusion of perceiving continuous motion between separate objects viewed rapidly in succession.