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 18:30
According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.
Answers: 1
Mathematics, 21.06.2019 19:30
The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28
Answers: 1
Mathematics, 21.06.2019 20:30
Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?
Answers: 1
Mathematics, 21.06.2019 22:40
If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).
Answers: 1
What is the difference between an observational study and an experiment? choose the correct answer...
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