In a Regression Model, If Variance of the Dependent Variable

question 21

Multiple Choice

In a regression model, if variance of the dependent variable, y, conditional on an explanatory variable, x, or Var(y|x) , is not constant, _____.

• A)the t statistics are invalid and confidence intervals are valid for small sample sizes
• B)the t statistics are valid and confidence intervals are invalid for small sample sizes
• C)the t statistics and the confidence intervals are valid no matter how large the sample size is
• D)the t statistics and the confidence intervals are both invalid no matter how large the sample size is

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Definitions:

Turnover Process

The sequence of steps or activities involved when an employee leaves an organization and is replaced.

Models

Models are simplified representations or frameworks used to explain complex systems or processes, aiding in understanding and prediction.

Retention Strategies

Are approaches undertaken by organizations to keep employees and reduce turnover rates.

Job Dissatisfaction

A negative emotion towards one’s job due to various factors like working conditions, relationships, or a mismatch between job expectations and reality.