A Fishery Collapse

question 259

Multiple Choice

A fishery collapse

• A) necessarily happens when harvesting rates increase.
• B) necessarily happens when reproduction rates fall.
• C) occurs when harvesting outpaces reproduction for an extended period.
• D) is irreversible.

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Definitions:

Wilcoxon Rank Sum Test

This statistical test, which doesn't assume a specific distribution, is used to assess if two distinct samples have different population mean rankings.

Mann-Whitney Test

A non-parametric test used to evaluate whether two independent samples are drawn from the same distribution or differ significantly.

Nonparametric Test

A type of statistical test that does not assume a specific distribution for the data, often used when data doesn't meet the assumptions required for parametric tests.

Normally Distributed

Describes a probability distribution that is symmetrical around its mean, showing that data near the mean are more frequent in occurrence than data far from the mean.