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

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.