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.
50%
You have half of 6 so the percentage would be half of 100
36. You can search it up and look at a times table chat or you can do this 6x5=30+6=36
Step-by-step explanation:
44 month old
12 months=1 year
44÷12=3 2/3
3 2/3 years