Mathematics

Mathematics, 03.07.2019 19:50, anyar

Which situation is an example of an observational study

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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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Mathematics, 18.09.2019 01:30, george8396

Determine whether the description below corresponds to an observational study or an experiment.in a studysponsored by a company, 14 comma 991people were asked what contributes most to their happiness commaand 16 %of the respondents said that it was their health.is the study described above an observational study or an experiment? a.the study is an observational study because the survey subjects were not given any treatment.b.the study is an observational study because the responses of the survey subjects were observed.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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Mathematics, 01.10.2019 17:30, edjiejwi

Does each situation describe a survey, an experiment, or an observational study? select survey, experiment, or observational study for each situation. survey,experiment,observational study patients who visit a clinic for the first time are asked to answer 15 questions about their health history. a researcher randomly chooses 20 patients who come to the clinic with the flu and gives them an experimental drug. a randomly chosen group of 20 patients who come in with the flu receive a placebo. a doctor at the clinic asks patients who come in with a headache how many hours of sleep they get on a typical night.

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