Sharp EL9900C EL-9900C - Page 165
Box plot, Modified box
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Box plot (Box) Modified box plot (MBox) Chapter 10: Statistics & Regression Calculations A box plot graph of sample (x) A. The minimum value (xmin) of the sample (x) B. The first quartile (Q1) AB C C. Median (Med) of the sample (x) D. The third quartile (Q3) E. The maximum value (xmax) of the sample (x) DE A modified box plot graph of sample (x) A. The minimum value (xmin) of the sample (x) B. The tip of extension which is defined by (Q3 - Q1) x 1.5 A B CD E F G C. The first quartile (Q1) D. Median (Med) of the sample (x) E. The third quartile (Q3) F. The tip of extension which is defined by (Q3 - Q1) x 1.5 G. The maximum value (xmax) of the sample (x) • Statistical data on the outside of the extension are indicated by points, selectable from circle, cross, or square. • The length of the extension from the box is determined by Q1 and Q3. 155