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 14:00
Find the value of the cosine for angle a
Answers: 1
question
Mathematics, 21.06.2019 20:00
Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?
Answers: 2
question
Mathematics, 21.06.2019 21:00
Select the two pairs of figures that are similar.
Answers: 1
question
Mathematics, 21.06.2019 22:30
Which set of lengths could represent the sides of a triangle? a. 3, 7, 10 b. 4, 5, 10 c. 6, 8, 14 d. 12, 6, 7
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
English, 18.11.2020 21:20
question
Mathematics, 18.11.2020 21:20
question
Computers and Technology, 18.11.2020 21:20
question
Mathematics, 18.11.2020 21:20
Questions on the website: 13722367