boxplot

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boxplot

[′bäks‚plät]
(industrial engineering)
In quality control, a graph summarizing the distribution, central value, and variability of a set of data values; used to identify problems (or potential problems) that affect the quality of processes and products.
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Box plot shown in Figure 5 identifies four outliers that could be responsible for deviation of the distribution from its actual shape.
Different characters can also be combined and analyzed all together using cluster analyses, relative warp analyses coupled with box plot and histogram and procrustean analyses These methods allow visualization of the systematic relationships of populations of organisms in compromised space to minimize the dilemma of using only one character in inferring inter- and intra- specific relationships.
Negative strong correlation was announced in calcium although calcium was also found below 200 mg/L in most of the samples as indicated by the box plot figure 2 (b).
Three observations are gleamed from analysis of the box plots in Figure 3: (1) the number of outliers decreased between census periods, with fewer outliers in 2000; (2) the length of the \upper whiskers in both box plots are longer than the lower whiskers, indicating an asymmetrical distribution of poverty census tracts in the Buffalo MSA; and (3) the upper whisker for the year 2000 box plot is more elongated than the 1970 box plot upper whisker, indicating a greater degree of skewness of the poverty census tracts in 2000 than in 1970.
Box plots of MOE and MOR data for each plantation presented in Figures 3 and 4 depict an increasing trend in properties throughout pith to bark.
If a normal distribution is evaluated, a graphical evaluation should be performed, such as the outlier box plot in JMP 9 (Figure 1).
Figure 1 displays a box plot of PCT levels within H1N1 positive (n=14) or negative group (n=3).