hennes chassenstes or otereat of a pant . poOdabon but does not change essing co

Question

hennes chassenstes or otereat of a pant . poOdabon but does not change essing conmn. , an. oosevwonai shaty, a "reaments appled to part of. pondation ar.esponses are observed B. h an experment, a researcher measures characteristics of inerest O C. in an experiment, a treatment is applied to sant of apopuation and responses are observed in an observational suty, a researcher measu of an entre population but does not change xistig conons In an observational sudy, a treatment is apoled to an enepopuatn and responses are observed of inerest of a part of a population but does not change existing condsions responses are observed in an observational sludy, a researcher measures characteristics of nterest of an entre population but does not change exsing conditions

Explanation / Answer

Answer is 1st

In an experiment a reasercher measures characterastics ofbinterest of a part of the population but does not change the existing condition. In an observational study a treatment is applied to abpart of population and response are observed.

Because experiment is perform for measuring charcteristics and observation is non measurable which is used to observe a sample ( a part of population)

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