## How do you calculate the margin of error?

**The margin of error can be calculated in two ways, depending on whether you have parameters from a population or statistics from a sample:**

- Margin of error = Critical value x Standard deviation for the population.
- Margin of error = Critical value x Standard error of the sample.

## How do you find the margin of error on a TI 83?

Margin of Error Sample Size TI-83+ –

## How do you find margin of error from a confidence interval?

How to calculate Confidence Intervals and Margin of Error –

## How do you find the upper and lower bounds on a TI 84?

Upper and Lower Bounds of the T-Interval –