Social & Preventive Medicine In a sample of 100 pregnant females, Mean haemoglobin level estimated was 10 gm% with a Standard deviation of 1 gm%. What is the Standard error? A 1 gm% B 0.1 gm% C 10 gm% D 100 gm% 💡 Explanation In a sample of 100 pregnant females, Mean haemoglobin level estimated was 10 gm% with a Standard deviation of 1 gm%. What is the Standard error? ✓ Correct Answer: B. 0.1 gm%