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<p>The plural of anecdote might not be data, but statistics based on older numbers tend to become stale. Much has happened in terms of test taking since the concordance tables were compiled. For instance, how do we compare the SAT math test of November 2014 to a related ACT test? What is the equivalent of 1/54 error on the ACT? </p>
<p>One can look at statistics to explore how the mean and median move, and others can look at anecdotes to challenge foregone conclusions. To each his own! </p>