A(n) ____ Is System Software

question 43

Multiple Choice

A(n) ____ is system software.

• A) spreadsheet program
• B) operating system
• C) word processing program
• D) presentation graphics program

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Definitions:

Chi-squared Distribution

A statistical distribution that is used to describe the distribution of a sum of squared random variables, often used in hypothesis testing.

Degrees of Freedom

The number of independent pieces of information used in the calculation of a statistic, typically the size of the data set minus the number of parameters estimated.

Area

The measurement of the extent of a two-dimensional surface or shape, typically expressed in square units.

Chi-squared Distribution

A statistical distribution used to test hypotheses about the distribution of observed frequencies in categories compared to expected frequencies.