We Are Interested in Testing Whether the Variance of a Population

question 29

Multiple Choice

We are interested in testing whether the variance of a population is significantly more than 625. The null hypothesis for this test is

• A) H₀: σ² > 625.
• B) H₀: σ² ≤ 625.
• C) H₀: σ² ≥ 625.
• D) H₀: σ² ≤ 25.

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Definitions:

Highest Quintile

The top 20% of a population in a distribution, typically used in referencing income or wealth distributions, representing the segment with the highest levels thereof.

Incomes

The money or other forms of payment received, typically on a regular basis, for work or through investments.

Incomes

Refers to the money received, especially on a regular basis, for work or through investments.

Employment Discrimination

Unfair treatment of employees or job applicants based on race, gender, age, religion, nationality, disability, or sexual orientation.