Find the Appropriate Minimum Sample Size

question 94

Multiple Choice

Find the appropriate minimum sample size
-You want to be 95% confident that the sample variance is within 20% of the true population variance.

• A)182
• B)191
• C)210
• D)3056

---

Definitions:

Polystyrene

A synthetic aromatic hydrocarbon polymer made from the monomer styrene, used in the manufacture of a wide variety of consumer goods.

1,1-bistrifluoromethylethylene

1,1-bistrifluoromethylethylene is a chemical compound featuring two trifluoromethyl groups attached to a double-bonded carbon structure.

Cationic Polymerization

A type of polymerization where the growth of a polymer chain proceeds via cations as reactive intermediates.

Radical Polymerization

A process of forming polymers through the successive addition of free-radical building blocks.