Examlex
A strand of DNA has the sequence GCAATTCG.The sequence of the complementary strand is ________.
Simple Random Sample
A portion of a statistical group where every member has the same chance of selection.
Random
Lacking pattern, purpose, or predictability, often used in the context of selecting items or events in a way that each has an equal chance of being chosen.
Average Age
The mean value of the ages of individuals in a particular group, calculated by summing their ages and dividing by the number of individuals.
Sampling Frame
The list or database from which a sample is drawn for a study, containing all the elements that define the population.
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