Answer:
480
Step-by-step explanation:
Answer:
This is cluster sampling.
Step-by-step explanation:
American Airlines randomly selects 110 flights during a certain week and surveys all passengers on the flights.
This is a type of cluster sampling.
This type of sampling is done by dividing the population into different groups and a simple random sample of clusters is selected from the population.
Answer:
A is the only possible correct answer since the center of that shape is x =-1
Answer:
Lower (or First) Quartile = 15
Step-by-step explanation:
-4x - 2.4
explanation: 1.3 - 3.7 = -2.4
then you leave the -4x by itself since it’s the only variable
