Choose the One Alternative That Best Completes the Statement or Answers

question 42

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-The flat line at the left in (b) probably represents ________________.

• A) the fact that there is no biological effect of the toxicant at low doses
• B) that no data was collected for the flat line area
• C) the bodyʹs immune system and other defenses which are deployed against the toxicant
• D) competing effects of some other substance whose effect wasnʹt measured
• E) the fact that no toxicant was introduced until the response line begins to rise

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Definitions:

Inferential Statistic

Statistical methods that allow researchers to make inferences or predictions about a population based on a sample of data from that population.

Normal Distribution

A continuous probability distribution shaped like a symmetrical bell, where most occurrences take place around the central peak and probabilities taper off equally towards both tails.

Independent Variable

The variable in an experiment that is manipulated or changed to observe its effect on the dependent variable.

Temperature

A measure of the average kinetic energy of the particles in an object, reflecting how hot or cold the object is.