What is the margin of error if the confidence level being set is 92%1 point0.08%10%8%
Question
What is the margin of error if the confidence level being set is 92%1 point0.08%10%8%
Solution 1
It seems like there's a bit of confusion in your question. The margin of error is not directly determined by the confidence level. However, they are related.
Here's a step-by-step guide on how you might calculate the margin of error:
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Identify a sample statistic: Since we are trying to estimate a population proportion, we choose the sample proportion (p) as the sample statistic.
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Select a confidence level: In this analysis, the confidence level is defined for us in the problem. We are working with a 92% confidence level.
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Find the standard deviation or standard error: Since we do not know the standard deviation of the population, we cannot compute the standard deviation of the sample mean. Instead, we compute the standard error (SE). SE
Solution 2
It seems like there's a bit of confusion in your question. The margin of error is not directly determined by the confidence level. However, they are related.
Here's a step-by-step guide on how you might estimate the margin of error:
-
Identify a sample statistic: Since we are trying to estimate a population proportion, we choose the sample proportion (p) as the sample statistic.
-
Select a confidence level: In this analysis, the confidence level is defined for us in the problem. We are working with a 92% confidence level.
-
Find the standard deviation or standard error: Since we do not know the standard deviation of the population, we cannot compute the standard deviation of the sample mean. Instead, we compute the standard error (SE). The standard error is an estimate of the standard deviation of the sample mean, which is calculated as SE = sqrt [ p(1 - p) / n ].
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Find the margin of error: Elsewhere on this site, we show how to compute the margin of error when the sampling distribution is approximately normal. The key steps are shown below:
- Find standard deviation or standard error.
- Multiply by the appropriate z*-value (for a 92% confidence level, z* value is 1.75).
- The result is the margin of error.
Remember, this is a simplified example. The actual calculation and interpretation of the margin of error can be complex and depends on the specifics of your study.
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