While Testing for Equality of Variances, Which of the Following $\sigma \frac{2}{1}-\sigma \frac{2}{2}$

question 42

Multiple Choice

While testing for equality of variances, which of the following formulae gives the F-test statistic?

• A) \(\sigma \frac{2}{1}-\sigma \frac{2}{2}\)
• B) \(\frac{\bar{x}-\mu_{0}}{\sigma / \sqrt{n}}\)
• C) \(\frac{\bar{x}-\mu_{0}}{\mathrm{~s} / \sqrt{n}}\)

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Definitions:

Cleavage

The tendency of a mineral to break along flat, smooth surfaces, which is related to the mineral’s crystal structure.

Silicate Minerals

Minerals that contain silicon and oxygen, and usually one or more additional elements, making up the largest and most important class of rock-forming minerals.

Silicon

A chemical element with the symbol Si and atomic number 14, known for its semiconductor properties and widely used in electronics and computer chips.

Oxygen Atoms

the basic unit of the element oxygen, essential for combustion, respiration, and various other chemical reactions.