A Probability Density Function

question 14

Multiple Choice

A probability density function:

• A) is the probability distribution of discrete outcomes.
• B) suggests that the probability that a random variable assumes a specific value must be positive.
• C) characterizes outcomes of a continuous random variable.
• D) can yield negative values depending on the values of the random variable, X.

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Definitions:

Return Rate

The percentage of participants who continue or complete a study or respond to follow-up surveys, crucial for the validity of research findings.

Correlation Designs

Research designs used to measure and analyze the relationships between two or more variables without implying causation.

Confirmatory Factor Analysis

A statistical technique used to validate the factor structure of a set of observed variables and to confirm prior hypotheses about their relationships.

Latent Variables

Variables that are not directly observed but are inferred from other variables that are measured directly in research.