Measures of Dispersion Quiz
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1. What does the term 'dispersion' refer to in statistics?
The central tendency of data · The spread of data values · The frequency of data points · The correlation between variables
2. Which of the following is NOT a measure of dispersion?
Range · Mean · Variance · Standard Deviation
3. What is the formula for calculating the range?
Maximum value - Minimum value · Mean - Median · Sum of values / Number of values · Variance + Standard Deviation
4. Which measure of dispersion is most affected by extreme values?
Range · Interquartile Range · Variance · Standard Deviation
5. What does the interquartile range (IQR) measure?
The difference between the highest and lowest values · The middle 50% of data · The average of the data set · The total number of observations
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