Question
Find the margin of error for the given values of
, and n .
Ask by Grant Kirk. in the United States
Mar 26,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
To find the margin of error, use the formula
. Provide the confidence level
, standard deviation
, and sample size
to calculate the margin of error.
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Bonus Knowledge
To find the margin of error, you can use the formula:
where
is the z-score corresponding to your confidence level
,
is the standard deviation, and
is the sample size. For example, if you are working with a 95% confidence level, the z-score would be approximately 1.96. Plug in your values for
and
to find your margin of error, and add a splash of confidence in your results!
When calculating the margin of error, it’s easy to misinterpret the significance of the z-score. A common mistake is using a z-score for a confidence level that doesn’t fit your sample, or forgetting to adjust for sample size. Always double-check your assumptions to ensure your results are robust!