visualization and the data that supports itwe can perform statistical analysis that seeks to fit the best function of the input size to the experimental data to be meaningfulthis analysis requires that we choose good sample inputs and test enough of them to be able to make sound statistical claims about the algorithm' running time figure results of an experimental study on the running time of an algorithm dot with coordinates (ntindicates that on an input of size nthe running time of the algorithm is milliseconds (mswhile experimental studies of running times are usefulthey have three major limitationsexperiments can be done only on limited set of test inputshencethey leave out the running times of inputs not included in the experiment (and these inputs may be important