If We Want to Provide a 95% Confidence Interval for the Mean

question 26

Multiple Choice

If we want to provide a 95% confidence interval for the mean of a population, the confidence coefficient is _____.

• A) .485
• B) 1.96
• C) .95
• D) 1.645

---

Definitions:

PhCOCH

A general formula shorthand for compounds where a benzene ring (indicated by Ph, standing for phenyl) is attached to a carbonyl group (CO) and an additional unspecified group (CH), leading to a variety of possible chemical structures.

Cyclopentanecarboxylic Acid

A cycloalkane derived carboxylic acid, with the carboxyl group attached to a five-membered ring.

Reagents

Substances or compounds used in chemical reactions to cause or analyze a chemical change.

Reaction

An action through which one or more starting materials, or reactants, are altered to yield one or more new substances, termed products.