The heights of 400 students in School A are recorded. The cumulative frequency curve below shows the distribution of their heights. State the median. Answer ... cm Find the interquartile range of the distribution. Answer ... cm In School B, the median and interquartile range of the heights of another 400 students are 165 cm and 8 cm respectively. Make two comments comparing the heights of students in School A and School B. Answer

Central tendencyAnalysis interpretationQuartiles percentilesCompare data setsMeasures of spread中文
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