What is the definition of standard deviation?
How to Calculate Standard Deviation
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Mathematics
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University
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Hard
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The video tutorial explains how to calculate standard deviation, starting with an introduction to its significance as a measure of data spread from the mean. It covers the calculation of variance, its units, and the derivation of the standard deviation formula. The tutorial concludes with an example calculation using a data set, demonstrating both the definition and an alternative formula for standard deviation.
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7 questions
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1.
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3 mins • 1 pt
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2.
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3 mins • 1 pt
What is the significance of the symbol sigma in statistics?
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3.
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3 mins • 1 pt
How do you find the mean of a data set?
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4.
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3 mins • 1 pt
Explain how variance is calculated.
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5.
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3 mins • 1 pt
Why do we square the differences when calculating variance?
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6.
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3 mins • 1 pt
What are the units of variance and standard deviation?
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7.
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3 mins • 1 pt
Describe the relationship between standard deviation and variance.
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