1. The ACT composite interquartile range was 32 34. 2. The semi-interquartile range is 1. 3. Common examples of measures of statistical dispersion are the variance, standard deviation, and interquartile range . 4. The Class of 2013's SAT interquartile range was 2060 2320 and 1400 1560 ( old SAT ). 5. The interquartile range ( IQR ) is a measure of variability, based on dividing a data set into quartiles. 6. Thus, there are 3 " full " observations in the interquartile range , and 2 fractional observations. 7. The median onset interquartile range of substance use disorders is 18-27, while the median onset age is 20. 8. How can I prove that a set of data cannot have a standard deviation smaller than its semi-interquartile range ? 9. The interquartile range on the old SAT was 1100 1360 and 68 % ranked in the top fifth of their high school class. 10. There are 9 / 4 = 2.25 observations in each quartile, and 4.5 observations in the interquartile range .
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