You Want a Storage Medium That Allows You to Locate

question 109

Multiple Choice

You want a storage medium that allows you to locate a particular data item immediately, without having to move consecutively through items stored in front of the desired data item or file. What kind of access will this storage medium use?

• A)direct
• B)indexed
• C)preconfigured
• D)sequential

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Definitions:

Chi-Square Statistic

Statistic that tests the difference between the distribution of observed frequencies and expected frequencies.

Expected Frequencies

The theoretical counts of occurrences across different categories or within bins that one would expect if the data followed a specific statistical distribution.

Chi-Square Statistic

A statistical measure used to determine the significance of the difference between observed and expected frequencies in categorical data.