What are the applications of variance in statistics?
Variance is used to measure data dispersion and is crucial in fields like finance, quality control, and research.
Can you give me an example of how variance is used in finance?
Sure! In finance, variance helps assess the risk of an investment by measuring how much returns deviate from the expected return.
What about its role in quality control?
In quality control, variance helps identify process variations, ensuring products meet quality standards and reducing defects.
Are there any other fields where variance is important?
Yes, variance is also important in psychology for analyzing test scores and in sports analytics for performance evaluation.
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