Table 5 Comparison of Proposed Sampling Plan with38 for \(\sigma \) Un-known Case.

From: Acceptance sampling plan based on difference in difference estimator with application

\({p}_{1}\)

\({p}_{2}\)

Required Sample Size \(n\)

\(\rho =0.8\)

\(\rho =0.6\)

\(\rho =0.4\)

 

0.010

132

(150)

141

(154)

149

(156)

0.0025

0.015

71

(82)

76

(84)

81

(85)

 

0.020

49

(56)

53

(58)

56

(59)

 

0.025

38

(43)

41

(45)

43

(45)