572, 711, 582, 663, 612, 577, 650, 550, 590, 659, 610, 611, 557, 685, 683, 629, 626, 637, 634, 723, 718, 707, 673, 697, 808, 755, 438, 569, 684, 637

Find the proportion of observations within one, two, and three standard deviations of the mean. Compare the results to the empirical rule.