Examlex
Determine whether the given pair of vectors are orthogonal or not. and
Secondary Research
The process of gathering data that has already been collected by others, such as reports, studies, or statistics, for a new analysis.
Observational Research
A method of data collection involving the systematic recording of observable behaviors, events, or conditions without direct interaction.
Median
Midpoint of a series, with an equal number of items above and below.
Statistical Abstract
A comprehensive summary of statistics on a particular topic, often compiled and published by governmental or research organizations.
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