Why is standard deviation important in statistics?
Standard deviation measures the amount of variation or dispersion in a set of values. It's crucial for understanding data.
Can you explain how it affects data interpretation?
Certainly! A low standard deviation indicates that data points are close to the mean, while a high standard deviation shows more spread.
How is it calculated?
It's calculated by taking the square root of the variance, which is the average of the squared differences from the mean.
What are some real-world applications of standard deviation?
It's used in finance to assess risk, in quality control to monitor processes, and in research to analyze data reliability.
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