Mathematics, 13.12.2019 18:31 maggie9459
An environmentalist wants to compare the ph levels in lakes near the west coast of the united states to lakes near the east coast of the united states. they sample water from 5 randomly selected lakes from each population of lakes. are these samples dependent or independent?
select the correct answer below:
a. these samples are independent because the samples are randomly selected and are from populations that are not related to each other.
b. these samples are dependent because the populations are related to each other.
c. these samples are dependent because the lakes were not randomly selected.
d. not enough information is provided to determine independence.
Answers: 1
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 16:30, hasshh
Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.
Answers: 2
Mathematics, 21.06.2019 21:40, dededese2403
Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0
Answers: 1
You know the right answer?
An environmentalist wants to compare the ph levels in lakes near the west coast of the united states...
Questions in other subjects:
Social Studies, 12.05.2021 01:00
Mathematics, 12.05.2021 01:00
