The Minimum Sample Size N Required to Estimate a Population

question 30

Multiple Choice

The minimum sample size n required to estimate a population mean with 95% confidence and the assumed estimate of the population standard deviation 6.5 was found to be 124. Which of the following is the approximate value of the assumed desired margin of error?

• A) D = 0.9220
• B) D = 0.9602
• C) D = 1.1441
• D) D = 1.3090

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Definitions:

Proton NMR

A spectroscopic technique used to determine the structure of organic compounds by analyzing the environment of hydrogen atoms.

Aromatic Ring

A cyclic, planar molecule with delocalized π electrons over the atoms forming the ring, following Huckel's rule.

Compound Name

The systematic or common name given to a chemical compound, based on the rules of the chemical nomenclature used to identify it uniquely.

Aromatic Ring

A cyclic molecule with alternating double and single bonds, notable for its stability and presence in many organic compounds.