subject
Mathematics, 14.05.2021 16:20 tblynch21

In which of the following scenarios would an observational study be used instead of a survey or experiment ? a) a study to quantify the effect of humidity levels on plant growth b) a study to determine how age effects political preference ) to measure the level of support for a referendum d) a study to observe the effects of a medicine designed to lower cholesterol

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:40
What is the solution to the equation 9^(x+1) =27
Answers: 2
question
Mathematics, 21.06.2019 17:20
Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?
Answers: 3
question
Mathematics, 21.06.2019 22:00
Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid
Answers: 3
question
Mathematics, 22.06.2019 03:30
The half-life of a certain material is 0.002 second. approximately how much of a 14-gram sample will be left after 0.004 second? a. 12 grams b. 3.5 grams c. 0.06 gram d. 7 grams
Answers: 1
You know the right answer?
In which of the following scenarios would an observational study be used instead of a survey or expe...
Questions
question
History, 30.11.2021 19:50
question
Social Studies, 30.11.2021 19:50
question
Business, 30.11.2021 19:50
question
English, 30.11.2021 19:50