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Dispersion in Statistics Quiz

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1. Which of the following is not a measure of dispersion?

2. The interquartile range is calculated by subtracting:

3. If a dataset has a mean of 100 and a standard deviation of 15, what is its coefficient of variation?

4. Which measure of dispersion is most affected by extreme values in a dataset?

5. What does the variance measure in a dataset?

6. How is the mean absolute deviation different from the standard deviation?

7. Which of the following best describes why variance is squared?

8. In a data set, if the interquartile range is small, what does it indicate about the data?

9. What is the key difference between variance and standard deviation in terms of their representation of dispersion?

10. Which of the following is true about the mean absolute deviation (MAD)?