I'm pretty sure that the answer is A
Answer:
points
Step-by-step explanation:
Answer: B. The data represent a sample since the data are a subset of units.
Step-by-step explanation:
- A population is the largest group of entire observations that can be made during a study.
- A sample is a finite subset of the population that represents the entire population.
Here,
Population = Participants for the study were those who used a popular social networking Web site.
Since the entire data for the "persons used a popular social networking Web site" is not possible.
There have been taken a sample of them.
∴ Correct answer is B. The data represent a sample since the data are a subset of units.
|x+y| = |-8+(-13)| = |-8-13| = |-21| = 21
M = mass
p = density
v = volume
Yes, to find m it would be m = pv.
To find v that would be m/p.
