If Independent Samples of Size N₁ and N₂ Are Drawn

question 32

Multiple Choice

If independent samples of size n₁ and n₂ are drawn from normal populations with equal variances, then the value of the statistic is calculated as

• A) × .
• B) / .
• C) (n₁ - 1) × (n₂ - 1).
• D) / .

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Definitions:

Covalent Compound

A compound in which atoms are held together by covalent bonds; covalent compounds consist of molecules. Compare with ionic compound.

Methane

A colorless, odorless gas, CH4, that is the simplest alkane and a major component of natural gas, contributing to greenhouse gas emissions.

Potassium Chloride

A metal halide salt composed of potassium and chlorine, used in various applications including as a fertilizer, in medicine, and in food processing.

Lithium Bromide

A chemical compound used mainly in air conditioning systems as a desiccant due to its hygroscopic nature and in some pharmaceuticals; its formula is LiBr.