The Alternative Hypothesis When Using the Z-Test for the Difference $\pi_{1}=\pi_{2}$

question 74

Multiple Choice

The alternative hypothesis when using the Z-test for the difference between the proportions for two groups is:

• A) \( \pi_{1}=\pi_{2} \)
• B) \( \pi_{1} \neq \pi_{2} \)
• C) \( \pi_{1} \times \pi_{2}=2 \)
• D) \( \pi_{1} / \pi_{2}=2 \)

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Definitions:

Epimeric

Describes diastereomers that differ in configuration at only one stereogenic center.

D-Aldopentose

A five-carbon sugar (pentose) with an aldehyde group, distinguished by its orientation in the Fischer projection that matches the D-family of sugars.

Ruff Degradation

A chemical process used to determine the structure of sugars by oxidatively breaking them down into smaller molecules.

D-Allose

An aldohexose sugar, similar to glucose but with a different arrangement of hydroxyl groups, that is a rare naturally occurring monosaccharide.