Examlex
Outbreaks of which disease have been associated with fecal-contaminated drinking water?
Population Mean
The average value of all the members of a set or population, denoting the central tendency.
Null Hypothesis
An assumption made for a statistical test that there is no significant difference or effect, to be tested against the alternative hypothesis.
Equality Sign
A symbol used in mathematics to indicate that two expressions on either side of the sign are equal in value.
Type I Error
The mistake of rejecting the null hypothesis when it is actually true, falsely indicating a significant effect or difference.
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