Alpha value (for confidence interval) 0.05            
Probit Analysis - Finney Method [Lognormal Distribution]
Log10[Dose (Stimulus)] Actual Percent (%) Probit Percent (%) N R E(R) Difference Chi-square
0.699 0.025 0.0321 10 0.25 0.3213 -0.0713 0.0158
1 0.1 0.0975 10 1 0.9745 0.0255 0.0007
1.301 0.3 0.229 10 3 2.2904 0.7096 0.2199
1.4771 0.4 0.338 10 4 3.3803 0.6197 0.1136
1.699 0.4 0.4962 10 4 4.9624 -0.9624 0.1866
Chi-square              
Chi-square 0.5366            
Degrees Of Freedom 3            
p-level 0.9108            
               
Dose (Stimulus) Percentile    
Percentile Probit (Y) Log10 [Dose (Stimulus)] Standard Error Dose (Stimulus) Standard Error    
1 2.6732 0.4402 0.846 2.7554 9.467    
5 3.3548 0.8104 0.5278 6.4628 9.9367    
10 3.7183 1.0079 0.3665 10.1826 9.6507    
16 4.0056 1.1639 0.253 14.5856 8.9852    
20 4.1585 1.247 0.2057 17.661 8.6796    
25 4.3258 1.3379 0.1763 21.7707 9.0829    
30 4.476 1.4195 0.1793 26.2697 11.1588    
40 4.7471 1.5667 0.2466 36.8721 22.0777    
50 5 1.7041 0.3442 50.593 44.4362    
60 5.2529 1.8415 0.454 69.4197 86.5293    
70 5.524 1.9887 0.5773 97.4375 171.1597    
75 5.6742 2.0703 0.6469 117.5729 247.443    
80 5.8415 2.1612 0.7251 144.9327 371.1382    
84 5.9944 2.2443 0.7971 175.4917 535.9255    
90 6.2817 2.4003 0.9331 251.3742 1,062.86    
95 6.6452 2.5978 1.1063 396.062 2,513.86    
99 7.3268 2.968 1.4327 928.9484 12,560.91    
Regression Statistics              
LC50 50.593 LC50 Standard Error 44.4362        
LC50 LCL 29.3901 LC50 UCL 657.1199        
Log10[LC50] 1.7041 Standard Error 0.3442        
Beta 1.841 Intercept 1.8628        
Beta Standard Error 0.7079            
Probit Analysis - Least squares [Normal Distribution]
Dose (Stimulus) Actual Percent (%) N Probit (Y) Weight (Z)
5. 0.025 10. 3.0396 1.0792
10. 0.025 10. 3.0396 1.0792
20. 0.025 10. 3.0396 1.0792
30. 0.1 10. 3.7183 2.6548
50. 0.1 10. 3.7183 2.6548
Regression Statistics        
LC50 119.6466 LC50 Standard Error 18.5731  
LC50 LCL 80.7726 LC50 UCL 158.5206  
Beta 0.017 Intercept 2.9629  
Beta Standard Error 0.021      
LC10 44.3663 LC16 60.9132  
LC84 178.38 LC90 194.9269  
LC100 207.7467      
Table 9: 72 Hours Probit analysis.