Mathematics, 11.09.2019 02:30, peno211
Determine whether the description below corresponds to an observational study or an experiment.
in a study sponsored by a company, 12,543 people were asked what contributes most to their happiness commahappiness, and 87% of the respondents said that it was their job.
is the study described above an observational study or an experiment?
(a) the study is an observational study because the responses of the survey subjects were observerd.
(b) the study is an observational study because the survey subjects were not given any treatment
(c) the study is an experiment because it was done with statistical methods.
(d) the study is an experiment because the survey subjects were given a treatment.
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Determine whether the description below corresponds to an observational study or an experiment.
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