600 1- 



500 



400 



300 



200 



100 



A. 





' A 



Chi-Squared Probabilities ^ 



Probabilities from Simulation • 

 Estimated Spectral Density, p A 



*J 



0.05 0.10 0.15 

 Frequency (c/s) 



0.20 



0.25 



Figure 67. Probability intervals for p. Hurricane Carla data 

 number 6882. 



68 



