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.
Answer:
F(a) =2a^2+4a+5
Step-by-step explanation:
just put x= a
Answer:
C. 17,820
Step-by-step explanation:
30,500-12,680= 17,820
Answer:12533
Step-by-step explanation:
Answer: 288.74
Step-by-step explanation:
