What happens to minimum sample size when range of allowable error is doubled?
Sample size = 4 Pq / L2 ( permissible error )Sample size a 1/ (error)2= 1/ (2E)2= 1/4
Reduced to 1/2
Reduced to 1/4
Reduced to 1/16
Sample size does not depend on acceptable error
JIPMER 2019