How to find variance on TI-84?
Understand the Problem
The question is asking how to calculate the variance using a TI-84 calculator. This involves understanding the steps needed to input data and utilize the statistical functions of the calculator to find the variance.
Answer
Square the standard deviation value to find the variance.
The final answer is to square the standard deviation to find the variance.
Answer for screen readers
The final answer is to square the standard deviation to find the variance.
More Information
Variance is a measure of the dispersion of data points in a data set. It is calculated as the average of the squared differences from the mean.
Tips
A common mistake is confusing between sample and population standard deviations—ensure you use the correct one.
Sources
- Texas Instruments - Calculating variance - education.ti.com
- How to Find Standard Deviation on the TI 84 - sciencing.com
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