7.2b Interquartile Range 2

Measures of Dispersion (Part 2) 7.2b Interquartile Range 2 (C) Interquartile Range of Grouped Data (with Class Interval) The interquartile range of grouped data can be determined by Method 1 (using a cumulative frequency table) or Method 2 (using an ogive). Example: The table below shows the marks obtained by a group of Form 4 … Read more