Table 5

    Proportion of Outside   (1)   (2)   (3)  
Group   Directors in Succession   Total Number of CEO   Number of Outside CEO   Percent of Outside CEO  
Number   Year   Appointments   Appointments   Appointments  
                   
1   0-40%   35   2   5.7%  
2   40-50%   54   7   13.0%  
3   50-60%   109   16   14.7%  
4   60-70%   198   35   17.7%  
5   70-80%   253   49   19.4%  
6   80-90%   261   61   23.4%  
7   90-100%   59   17   28.8%  
    Total   969   187   19.3%  
                   
    Tests of differences in the proportions in column (3):              
                   
          Chi - square statistic   P - value    
      H0 (1 through 7)a     10.96 0.092    
      H0 (1:7)b     5.80 0.018    
                   
    Tests of differences in the proportions in column (3) excluding financial              
    (SIC 60-69), communication (SIC 48), and gas and electric firms (SIC 49):              
                   
          Chi - square statistic   P - value    
      H0 (1 through 7)a     18.88 0.004    
      H0 (1:7)b     7.50 0.007    
                   
                   
                   
                   
                   

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