14-2 Using the following data, prepare a run chart, scatter chart, and control chart. A late surgery is defined as any surgical operation that was started more than 30 minutes after its scheduled time (Table 14-4).

Month	# of Surgeries	# of Late Surgeries
January	435	112
February	401	129
March	572	186
April	409	103
May	577	89
June	329	67
July	467	156
August	302	94
September	235	89
October	325	127
November	378	156
December	444	124
Total	4873	1432