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.
First you plug in the missing values
y=3 x=4 z=2
3÷2×4-2
than you solve
the answer is 4
Answer:
Step-by-step explanation:
A. 3000/50 is 60
Increasing I think dryyhiiouiiiiuyutff
