Which of the Following Groups Is Represented Today by a Single

question 42

Multiple Choice

Which of the following groups is represented today by a single species?

• A) Liverworts
• B) Ginkgos
• C) Conifers
• D) Bryophytes
• E) Cycads

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Definitions:

T-statistic

A type of statistic calculated from sample data, used in hypothesis testing to determine whether to reject the null hypothesis, particularly in t-tests.

Null Hypothesis

A hypothesis that suggests there is no statistical significance between the two observed phenomena.

Alpha

In statistics, often referred to as the significance level, it represents the probability of rejecting the null hypothesis when it is actually true.

Degrees Of Freedom

The number of independent pieces of information used to calculate a statistic, often influencing the shape of various sampling distributions.