Math 1680 1.1

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In an observational study, no attempt is made to control any aspect of the individuals in the sample. The samples are chosen using an appropriate process; however, no attempt is made to control any aspect of the individuals in the sample, even though the variables of interest are recorded for each group. 'k - 1 . 1 What is statistics ? Observational U . S . Experimental studies observational - no attempt is uade to control any espect of the individuals in the sample · Typically used when its hard to control factor I should have a controll Experimental researches or more aspects of the inter as contest pre control group : the group that doesnt recicue the substance or whatever thel are using control group Steps in identifying
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