What this Reading Covers
Data & Distributions
To speak
effectively about vegetation measurements one must "know the language."
Many of the following terms probably have some meaning to you, but do you
know the precise, statistical meaning of these words?

Attribute

Population

Sample

Parameter

Statistic

Sampling
Distributions

Sample Mean

Sample Variance

Standard Error

Confidence
Interval

Accuracy and
Bias

Precision and
Error
There are several
good online modules and pages describing these terms. Visit the
following two sites to explore and discover the meaning of these words:
** Note: This course will include substantial use of descriptive statistics.
A basic statistics class was not required for the course. However, if you have
not had a stats course or if you need a refresher, I suggest you visit the sites
listed above and understand the terms listed above.
