What Is Information Technology

question 24

Multiple Choice

What is information technology?

• A) A field concerned with the use of technology in managing and processing information
• B) The function of selling a good or service and focuses on increasing customer sales, which increases company revenues
• C) The function that plans for, develops, implements, and maintains IT hardware, software, and the portfolio of applications that people use to support the goals of an organization
• D) Includes the methods, tasks, and techniques organizations use to produce goods and services

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Definitions:

Null Hypothesis

A theory proposing that there's no meaningful statistical distinction between the two variables under consideration in the hypothesis.

Rejection Region

The area in a statistical test's distribution which, if the test statistic falls within, leads to the rejection of the null hypothesis.

Standard Deviation

An index showing the degree of spread or deviation from the mean within a data collection.

Confidence Level

The probability, expressed as a percentage, that the calculated confidence interval actually includes the true population parameter.