FREQUENCY HISTOGRAM: NUMBER OF DIVES PER SIX HOUR 



SUMMARY PERIOD 

 PTT 823 



10 

 9 

 8 

 7 



2 



IM 4 



6 

 5 



3 

 2 

 1 

 



23:16-05:15 GMT (1) X=370 SD=173 N = 40 

 05:16-11:15 GMT (2) X=375 SD=167 N = 38 

 ^_^ 11:16-17:15 GMT (3) X = 364 SD=188 N = 31 

 I I 17:16-23:15 GMT (4) X=484 SD=187 N=15 



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GO CT3 



NUMBER OF DIVES 



Figure 43. Frequency histogram of the number of dives during all 6-hour summary periods 

 for PTT #823. See note in Figure 42. 



74 



