The Following Data Was Collected from a Simple Random Sample

question 90

Multiple Choice

The following data was collected from a simple random sample of a population of college freshmen. It represents their ages on the first day of the fall semester. 17 21 19 18 18 19
The point estimates of the population mean and standard deviation are:

• A) 18 and 1.75.
• B) 19 and 1.78.
• C) 17.67 and 1.63.
• D) 18.67 and 1.36.

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Definitions:

Br2/CCl4

A reagent combination used in organic chemistry for adding bromine across double bonds in a non-polar solvent, carbon tetrachloride.

Molecular Structure

The arrangement of atoms within a molecule, defining its chemical and physical characteristics.

Physical Property

A characteristic of a substance that can be observed or measured without changing the substance's chemical identity, examples include density, melting point, and conductivity.

Trans Fat

An unhealthy type of fat that is created by adding hydrogen to liquid vegetable oils (hydrogenation), widely associated with increased risk of heart disease.