Mathematics

Mathematics, 23.06.2019 13:30, katiem7608

Which of the following statements represents a difference between a sample survey and an observational study? a) presence of population. b)inclusion of numerical data. c)people are aware that they are participating. d)ability to collect information.

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Mathematics, 23.06.2019 06:30, slimgemmx

Which of the following statements represents a difference between a sample survey and an observational study? a)presence of population. b)inclusion of numerical data. c)people are aware that they are participating. d)ability to collect information.

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Mathematics, 27.06.2019 20:30, kingdomGemini

Which of the following statements represents one of the differences between an experiment and an observational study? inclusion of random sample. introducing a change to the subgroup. ability to calculate the mean. ability to draw conclusions.

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Mathematics, 27.06.2019 20:30, primmprincess312

Which of the following statements represents one of the differences between an experiment and an observational study? inclusion of random sample. introducing a change to the subgroup. ability to calculate the mean. ability to draw conclusions.

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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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