There Are a Number of Highly Touted Search Engines for Finding

question 23

Multiple Choice

There are a number of highly touted search engines for finding things of interest on the Internet. Recently, a consumer rating system ranked two search engines ahead of the others. Now, a computer user's magazine wishes to make the final determination regarding which one is actually better at finding particular information. To do this, each search engine was used in an attempt to locate specific information using specified keywords. Both search engines were subjected to 100 queries. Search engine 1 successfully located the information 88 times and search engine 2 located the information 80 times. Using a significance level equal to 0.05, what is the critical value for the hypothesis test?

• A) z = ±196
• B) z = 1.645
• C) t = ±2.0456
• D) z = ±2.575

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Definitions:

Independent Variable

A variable that is manipulated or controlled in an experiment to test its effect on a dependent variable.

Disciplining Strategy

An approach or method applied in various contexts, including parenting and education, to correct or guide behavior towards desired outcomes.

Logic And Reason

The process of using systematic principles to come to conclusions that are free from bias or inconsistency.

Rewards And Punishment

Concepts in behavioral psychology, where rewards are used to reinforce desired behavior, and punishment is used to reduce or eliminate undesired behavior.