How to solve for margin for error on a TI-84 plus calculator
Added by Jes-S B.
Step 1
- If you don’t know sigma and you’re using a t-interval (most common for small samples): ME = t* · (s / sqrt(n)). - In both cases, the margin of error is added/subtracted from the sample mean x̄ to form the confidence interval: x̄ ± ME. Show more…
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