Mathematics, 05.05.2020 14:43 apowers1760
Which option below best describes the difference between an experiment and an observational study?
a. The values in an experiment are chosen at random, but not in an observational study.
b. The values in an observational study are chosen at random, but not in an experiment.
c. The groups in an experiment are chosen at random, but not in an observational study.
d. The groups in an observational are chosen at random, but not in an experiment.
Answers: 3
Mathematics, 21.06.2019 16:30
Read the following two statements. then use the law of syllogism to draw a conclusion. if the tv is too loud, then it will give me a headache. if i have a headache, then i will have to rest.
Answers: 2
Mathematics, 21.06.2019 20:00
Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible
Answers: 1
Which option below best describes the difference between an experiment and an observational study?
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