Critical Thinking Questions Case 4-1 Your Friends Know That You

question 156

Multiple Choice

Critical Thinking Questions Case 4-1 Your friends know that you understand a lot about computers, both the technical details of how they operate as well as information about software. Lately, with all of the concerns about copyright infringement, friends have started to ask you about categories of application software and what each kind permits. DeRobb is looking for a spreadsheet program that is available at no cost, but that also puts no restrictions on his use of it. If he wants to share it with a friend, or make copies of it and distribute it, he wants to be able to do so. What kind of software do you recommend he should be looking at?

• A) public-domain
• B) freeware
• C) custom
• D) shareware

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Definitions:

Hypothesis Testing

A statistical method used to evaluate the plausibility of a hypothesis by using sample data.

Confidence Level

A measure of how certain one can be about the accuracy of the results obtained from a statistical test, often expressed as a percentage like 95% or 99%.

Descriptive Statistics

Statistical methods that summarize or describe a collection of data points, including measures like mean, median, and mode.