A Major Factor Which Aids in the Understanding of Contemporary

question 32

Multiple Choice

A major factor which aids in the understanding of contemporary distribution patterns of plants and animals is (are) ________.

• A) reproductive success
• B) evolutionary development
• C) extirpation
• D) migration
• E) all of the above

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Definitions:

Degrees of Freedom (df)

Number of values or quantities free to vary when a statistic is used to estimate a parameter.

Expected Frequency

In statistics, the frequency expected in a category of a contingency table under the assumption that the null hypothesis is true.

Chi-Square

A statistical test that measures the difference between observed and expected frequencies in categorical data.

Row Variable

In the context of a data table or matrix, it refers to the variable represented by the rows, often used in cross-tabulation to compare against another variable.