Figure provides a set of count data for waiting times (01 = 717, 02 = 369, ...) and expected counts under the geometric distribution (E1 = 743, E2 = 338, ...). Compute the chi-square test %3D %3D %3D statistic, X2 (chi-square). Days 1 2 3 4 6 7+ Total Obsorvod 717 360 155 60 28 14 10 1362

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Bar Graphs

A bar graph is a chart or graphical representation of data. A bar chart, also known as a bar graph, is a graph or chart that displays categorical data using rectangular bars with heights or lengths equal to the values they represent. Typically, bar graphs show categorical and numerical variables grouped in class intervals. A bar graph is useful for comparing and analyzing a set of data.