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Below is the graph of the velocity, in feet per second, of a hat that is thrown up in the air from ground level.Positive velocity means upward motion. [Note that this is the graph of velocity, not distance.] About how big is the average speed over the first 4 seconds?
Null Hypothesis
A default hypothesis that there is no effect or no difference, and it is the hypothesis that researchers aim to test against.
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A symbol denoting mathematical equality between two expressions.
Linguistics Professor
An academic expert or educator specializing in the scientific study of language and its structure, including the study of morphology, syntax, phonetics, and semantics.
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