Suppose the Background Extinction Rate of Birds Is 5 Per

question 3

Multiple Choice

Suppose the background extinction rate of birds is 5 per 1,000 years. During the twentieth century, 17 birds went extinct. The extinction rate of birds is now about how many times the background rate?

• A) 3
• B) 17
• C) 34
• D) 170

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Definitions:

Descriptive Statistics

Statistical methods used to summarize and describe the main features of a data set, such as mean, median, and mode.

Descriptive Statistics

Descriptive statistics involve summarizing and organizing data so it can be understood and presented in a simpler form, including measures of central tendency and variability.

Statistical Inference

The process of making judgments about the characteristics of a population based on sample data.

Categorical Data

Data that represent characteristics and can be divided into groups or categories that do not involve a numeric value.