Over the past decade, ABC Manufacturing has increased the number of safety inspections per month in hopes to decrease the number accidents on their production line.  Below is a list of how many inspections were conducted in a month and the corresponding number of accidents recorded.  Is there a correlation, and has this leadership decision been effective?

Inspections   Accidents

20                   181

24                  190

28                   167

40                    160

60                    120

64                  124

64                      118

68                    90

70                    94

72                     85