The Question Below Refers to the Following Information Figure 451
-Estradiol Is an Example of
A)an Androgen

question 62

Multiple Choice

The question below refers to the following information.
In an experiment, rats' ovaries were removed immediately after impregnation and then the rats were divided into two groups. Treatments and results are summarized in the table below
$\begin{array}{lcc}\hline&\text { Group } 1 &\text { Group } 2\\\hline (\text { Daily injections of }&&\\\text { progesterone (milligrams) } & 0.25 & 2.0 \\\text { Percentage of rats that } & & \\\text { carried fetuses to birth } & 0 & 100\\\hline\end{array}$

Figure 45.1
-Estradiol is an example of

• A)an androgen.
• B)an estrogen.
• C)a progestin.
• D)a catecholamine.
• E)melatonin.

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Definitions:

Standard Deviations

A measure of the amount of variation or dispersion of a set of values, indicating how much the values deviate from the mean of the set.

Standard Errors

A statistic that measures the dispersion or spread of sample means around the population mean, used to estimate the precision of sample statistics.

Average Run Length

A statistical measure used in quality control that indicates the average number of units processed until a defect is detected.

Control Limits

Boundaries set in process control that indicate the allowable range of variation for a process to be considered in control and functioning correctly.