A Simple Random Sample of 28 Observations Was Taken from a Large

question 15

Multiple Choice

A simple random sample of 28 observations was taken from a large population. The sample mean equaled 50. Fifty is a

• A)population parameter
• B)biased estimate of the population mean
• C)sample parameter
• D)point estimate

---

Definitions:

Groundwater

Water that occupies the pore spaces and fractures in soil, sand, and rock, located beneath the Earth’s surface.

Uranium

A heavy radioactive metallic element used as fuel in nuclear reactors and as a component in nuclear weapons.

Natural Gas

Hydrocarbons that exist as gas or vapor at ordinary temperatures and pressures.

Sedimentary Facies

Different sections of a sedimentary environment that exhibit distinct characteristics in terms of composition, appearance, and means of origin.