A researcher who has conducted experimental research finds that in his 145-person hospital study the ...

ANS: C
Statisticians use the term inference or infer in somewhat the same way that a researcher uses the term generalize. Inference requires the use of inductive reasoning. One infers from a specific case to a general truth, from a part to the whole, from the concrete to the abstract, from the known to the unknown. When using inferential reasoning, one can never prove things; one can never be certain. However, the rules that have been established with regard to statistical procedures so as to increase the probability that inferences are accurate. Inferences are made cautiously and with great care. Researchers use inferences to infer from the sample in their study to the larger population.

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