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How can you calculate the margin of error using a TI- 84 Plus CE calculator?
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Step 1: First, you need to calculate the standard deviation (s) and the sample size (n) for your data set.
where $x_i$ represents each data point and $\bar{x}$ is the sample mean.
The formula for the standard deviation is:
Step 2: After calculating the standard deviation, you can now calculate the margin of error (E) using the following formula:
where $z$ is the z-score corresponding to the desired confidence level.
For a 95% confidence level, the z-score is approximately 1.96.
Final Answer
After following the steps above, you will have calculated the margin of error (E) for your data set using a TI- 84 Plus CE calculator.
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