Answer:
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Answer:
Simple random sampling
Step-by-step explanation:
Every element of the population does have an equal probability of getting chosen in a basic random sampling. The entire population should be included in your sample frame. To conduct this sort of sampling, technologies such as random numbers or other approaches relying completely on chance can be used.
Answer:
7.5
Step-by-step explanation:simply divide 30 and 4 and the answer is 7.5
All of the numbers are on the Y-axis
Answer : linear
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