The Birth Control Pill Works Mainly by

question 66

Multiple Choice

The birth control pill works mainly by

• A)preventing sperm from dissolving the zona pellucidA.
• B)killing sperm before they enter the fallopian tubes.
• C)raising estrogen levels so that the woman does not ovulate.
• D)lowering progesterone levels and thinning cervical mucus.

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Definitions:

Regression Analysis

A statistical method used to model the relationship between a dependent variable and one or more independent variables.

Dependent Variable

In statistical modeling, this is the variable being tested and measured to see if it is affected by changes in the independent variables.

Cook's D

A statistic used in regression analysis to identify influential data points that can disproportionately affect the results of the regression.

Leverage

A measure of how far the values of the independent variables are from their mean values.