In General,how Many Types of Files Are There

question 3

Multiple Choice

In general,how many types of files are there?

• A)one
• B)two
• C)three
• D)five
• E)None of the above

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Definitions:

Greek Symbol Chi

A symbol (χ) used in statistics to represent variables, coefficients, and as the chi-square (χ²) test for independence and goodness of fit.

Parametric Statistics

Statistics used for the inference from a sample to a population that assume the variances of each group are similar and that the sample is large enough to represent the population. See Nonparametric statistics.

Sample Assumption

Premises or conditions assumed to be true about the sample in statistical modeling and testing.

Political Affiliation

An individual's formal association or identification with a political party or ideology.