Graph technology has ... be more effective at analyzing your data than row/column approaches. Graph is also especially useful for questions that involve finding an optimal or alternative route ...

The same could be done over a range of years ... If you wish to create a dynamic graph, you would have to use tables for the data. To calculate CPI in Excel, you need to use a formula like ...

The interquartile range ... calculate this value we must first understand what the lower quartile, median and upper quartile are: the lower quartile is the median of the lower half of the data.

The two graphs, like a dot plot, have both an x- and y-axis. You can calculate the spread ... with one axis showing the range of values or categories along which the data points are grouped ...

find ¾ of 40, which is the 30th value. Reading from the graph, the upper quartile is 47. The interquartile range is the upper quartile – the lower quartile, so for this data the interquartile ...