I need help for number 6 please
2 answers:
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The standard deviation of quiz scores is 0.
<h3>What is the standard deviation?</h3>- The standard deviation in statistics is a measure of the amount of variation or dispersion in a set of values.
- A low standard deviation indicates that the values of the set tend to be close to the mean (also known as the expected value), whereas a high standard deviation indicates that the values are spread out over a larger range.
To find the standard deviation:
- Let, the number of students = n
- x = 100
- Mean = n×x/n=x
- Variance =
- Variance = (x₁ - x)² + (x₂ - x)² + (x₃ - x)²/n
- V = 0
- Standard variance = √0
Therefore, the standard deviation of quiz scores is 0.
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