Mathematics, 27.11.2019 23:31 ashleybashaam6821
What is the difference between an observational study and an experiment? choose the correct answer below. a. in an experiment, a treatment is applied to an entire population and responses are observed. in an observational study, a researcher measures characteristics of interest of an entire population but does not change existing conditions. b. in an experiment, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. in an observational study, a treatment is applied to part of a population and responses are observed. c. in an experiment, a researcher measures characteristics of interest of an entire population but does not change existing conditions. in an observational study, a treatment is applied to an entire population and responses are observed. d. in an experiment, a treatment is applied to part of a population and responses are observed. in an observational study, a researcher measures characteristics of interest of a part of a population but does not change existing conditions.
Answers: 3
Mathematics, 21.06.2019 14:50
Apair of ordinary dice is rolled. what is the probability that each die will show a number higher than 4. 1. (1/36) 2. (1/12) 3. (1/6) 4. (1/4) 5. (1/3)
Answers: 2
Mathematics, 21.06.2019 16:40
Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4
Answers: 1
Mathematics, 21.06.2019 17:00
Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?
Answers: 3
What is the difference between an observational study and an experiment? choose the correct answer...
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