Explain what is meant by a margin of error


Discuss the below:

Q1. When is it appropriate to use stratified random sampling.

Q2. What is meant when we say that a process is in statistical control?

Q3. Discuss ratio, interval, nominal and ordinal variables.

Q4. Explain what is meant by a margin of error for a confidence interval.

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Basic Statistics: Explain what is meant by a margin of error
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