39) In an experiment, subjects are put into two categories according to sex, and

Question

39) In an experiment, subjects are put into two categories according to sex, and then each blocking 39) subject is randomly assigned a treatment. This is an example of... A) random C) confounding B) gender bias 40) Which of the following correctly describes the relationship between a sample and a population? A) A sample is a group of populations that are subject to observation. B) A population is a group of samples that may or may not be included in a study. C) A population and a sample are not related. A sample is a group of subjects selected from a population to be studied.

Explanation / Answer

39.A) Randomized blocking , because in Randomized blocking the subjecfsubjecfsis devideddinto subgroups and further those are randomly subjected to treatment.

40.D) A sample is a group of subjects selected from a population to be studied.

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