The average would be the total amount divided by the 2 groups, so the answer would be 37.5 years old.
Answer:
B
Step-by-step explanation:
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Answer:
Its B im pretty sure
Step-by-step explanation:
Answer:
the answer is 32
Step-by-step explanation:
hope this help have a good day
Answer:
a) cluster sampling
Step-by-step explanation:
In cluster sampling method, each member of a population is assigned to one and only one group.This means clusters are formed through probability method usually a simple random sampling.The participants in the clusters are the only one to be surveyed.
In this example, simple random sampling is used to identify 12 home rooms(cluster) where a group of 20 students (participants) in each room is given the survey.
