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After teaching only the first module of a chapter, Tracy gave a surprise test to her students, which covered all the modules of the chapter. She said that each student needed to score 75% to pass the test. What mistake did Tracy commit?
Calculated Statistic
A calculated statistic is a numerical summary derived from a sample, used for analyzing or making inferences about a population.
Unshaded Area
Represents the portion of a graph or figure that is not marked or covered by a darker color or pattern.
Critical Value
A point on the scale of a test statistic that represents the threshold of significance, beyond which a null hypothesis is rejected.
Population Parameter
A numerical value that summarizes or describes an aspect of a population.
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