MAT543 wk 9 homework Chapter 14: Exercise 14-2 (page 297 of the text)

MAT543 wk 9 homework Chapter 14: Exercise 14-2 (page 297 of the text)

14-2 Using the following data, 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).

Table 14-4 Number of Late Surgeries

 

Month                                    Number of Surgeries                         Number 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                                   301                                                     94

September                              235                                                     89

October                                 325                                                     127

November                              378                                                     156

December                               444                                                     124