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In: Statistics and Probability

1.Explain what variance and standard deviation is. 2 explain the empirical rule in easy words 3....

1.Explain what variance and standard deviation is.

2 explain the empirical rule in easy words

3. How does the interquartile range and normal distribution relate?

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what does the variance and standard deviation tell us?
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What is the empirical rule? How is it useful?
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