Critical Thinking Questions Case 4-1 Your Cousin Jeff Wants to Create

question 83

Multiple Choice

Critical Thinking Questions Case 4-1 Your cousin Jeff wants to create a Web site to promote his hobby. Jeff knows that you have been learning to create Web sites using Expression We b. Over coffee at your house, Jeff asks a few questions about Web site planning. The next time you speak with Jeff, he tells you he has been learning about using Cascading Style Sheets (CSS) to layout and format Web pages. Then he says that he is still a little confused about the difference between external and internal style sheets. You tell Jeff that ____.

• A) an external style sheet is a style rule contained in the body of a Web page and an internal style sheet is a separate file that contains style rules
• B) he must be really confused; external and internal style sheets are not part of CSS
• C) an internal style sheet is a set of style rules contained in the Head section of a Web page and an external style sheet is a separate file that contains style rules
• D) an external style sheet is a set of style rules contained in the Head section of a Web page and an internal style sheet is a separate file that contains style rules

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Definitions:

Estimate

An approximation or informed guess of a quantity or value when the exact number is unknown or uncertain.

Sample Variance

A measure of the dispersion or spread of the sample data points around the sample mean, estimating the variance of the population from which the sample was drawn.

Treatment

In experimental research, an intervention or condition applied to subjects to observe its effects on some outcome or variable.

Sample Size

The number of observations or elements selected from a population for the purposes of statistical analysis.