An Advantage of Testing for Toxicity by Exposing Animals to Chemicals

question 11

Multiple Choice

An advantage of testing for toxicity by exposing animals to chemicals is that using animals is

• A)cheaper than other methods.
• B)faster than other methods.
• C)usually quite humane.
• D)easier than using computer models.
• E)a trusted and usually reliable way to get results.

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Definitions:

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it marks the threshold of statistical significance.

P Value

The probability of obtaining test results at least as extreme as the observed results, assuming that the null hypothesis is correct.

Null Hypothesis

A statement proposing no significant difference or relationship between variables, serving as a default assumption to be tested against.

Independent-Samples

Refers to a comparison between groups where the participants in each group are different and do not overlap.