A Value of N = 0

question 2

Multiple Choice

A value of N = 0.1 for the Drake equation signifies that:

• A) 1 out of every 10 solar systems in our galaxy harbors intelligent life
• B) 1 out of every 10 solar systems in our galaxy harbors life of some kind
• C) 1 out of every 10 galaxies in our universe harbors intelligent life
• D) 1 out of every 10 galaxies in our universe harbors life of some kind

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Definitions:

Sampling Error

The deviation of a sample statistic from its population parameter due to the fact that only a subset of the population is observed.

Sample And Population Values

Quantitative or qualitative characteristics measured in a subset (sample) and those from the entire group of interest (population), respectively.

Hypothesis Testing

A statistical technique that employs data from a sample to test a hypothesis regarding a population statistic.

Samples And Populations

Refers to subsets of a larger group (samples) selected for analysis and the entire group (population) from which samples are drawn.