Answer:
Cluster Sampling
Step-by-step explanation:
I cant be 100% sure as i am not in statistics, but by definition cluster sampling is a probability sampling technique where researchers divide the population into multiple groups (clusters) for research (in this case its the phone book). Researchers then select random groups (three random pages) with a simple random or systematic random sampling technique for data collection and data analysis(interviews).
so that appears to be what is happening in this scenario.
Answer:
x=anything less than 7
x=5
x=-2
x=-7
x= anything less than 7
Step-by-step explanation:
Answer:
subtract 3 each term
Step-by-step explanation:
Answer:
y=-2.5-5/4x and no it doesn't pass through (4,12)
Step-by-step explanation:
5x-4y=10
-5x +5x
-4y=10+5x
/-4 /-4
y=-2.5-5/4x
Answer:
1/2, 1/3, 1/4, 1/5, 1/6
Step-by-step explanation:
