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Questions and Answers
What is a key component needed to estimate the required sample size for estimating a population mean?
What is a key component needed to estimate the required sample size for estimating a population mean?
- Significance Level
- Population Standard Deviation (correct)
- Sample Variance
- Sample Size
In the formula to calculate the required sample size, what does 'n' represent?
In the formula to calculate the required sample size, what does 'n' represent?
- Required Sample Size (correct)
- Population Size
- Margin of Error
- Z-Score
What does the 'Z' in the formula n=(E^2Z^2/σ^2)^2 stand for?
What does the 'Z' in the formula n=(E^2Z^2/σ^2)^2 stand for?
- Confidence Level
- Desired Margin of Error
- Population Standard Deviation
- Z-Score (correct)
If the population standard deviation is unknown, what can be done to estimate it?
If the population standard deviation is unknown, what can be done to estimate it?
What should be done if the desired sample size calculation results in a fraction?
What should be done if the desired sample size calculation results in a fraction?
Which factor should be considered if the sample is more than 5% of the population when calculating sample size?
Which factor should be considered if the sample is more than 5% of the population when calculating sample size?
In the context of sample size calculation, what is the significance of 'N' in the formula with Finite Population Correction?
In the context of sample size calculation, what is the significance of 'N' in the formula with Finite Population Correction?
What would be the result if you don't use the Finite Population Correction when required?
What would be the result if you don't use the Finite Population Correction when required?
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