A Second-Growth Forest Is

question 90

Multiple Choice

A second-growth forest is

• A)an old-growth forest with lots of new seedlings
• B)an old growth forest with lots of weeds
• C)trees resulting from secondary succession
• D)an old growth forest that has been cut down with only weeds remaining
• E)grassland that has been planted with seedlings

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Definitions:

Test Statistic

A statistic used to estimate the parameter of interest in a statistical hypothesis test.

Kruskal-Wallis Test

A nonparametric statistical test used to compare three or more groups based on ranked data. It is an extension of the Mann-Whitney U test for more than two groups.

Null Hypothesis

The hypothesis in statistical analysis that proposes there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.

Distribution

A statistical term describing the way values of a variable are spread or dispersed across a range.