What Is the Significance of Using the Concentrations of 5,25,and

question 4

Multiple Choice

What is the significance of using the concentrations of 5,25,and 100 ng/l of 17β-estradiol for the dose in this experiment?

• A)These concentrations are similar to those found in many animals.
• B)These concentrations are found in the environment.
• C)These concentrations are effective,yet not lethal to the fish.
• D)These concentrations are standard in toxicology assays.

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Definitions:

Stanine

A method of scaling test scores on a nine-point standard scale with a mean of five and a standard deviation of approximately two, used to simplify the interpretation of test results.

Normal Curve

A bell-shaped curve that represents the distribution of a set of data where most occurrences take place in the middle of the range.

Standard Deviation

A statistical measurement that quantifies the dispersion or spread of a set of data points around the mean.

Raw Scores

A raw score is the initial, unadjusted score obtained directly from the number of questions answered correctly on a test or assessment.