Receive a 15% discount on “Machine Vision: Theory, Algorithms, Practicalities” by ordering from www.elsevierdirect.com and using offer code 92839. [Part 1 of this article begins with a look at the ...

Last week’s post, “A Histogram is NOT a Bar Chart ”, explained that bar charts were used for comparing categorical variables and that histograms were used to show the distributions of binned ...

Because there are six groups, it is difficult to compare two groups side by side. Also, the axes are scaled to fit the data, so by default graphs use different axes. To compare two groups side by side ...

This generates the report shown in Figure 8.4 in the SAS Output Window. Figure 8.4 shows that the sample mean queue length is approximately 45.90 and that the sample variance is approximately 2.04. It ...