Social & Preventive Medicine About test of significance between two large population, one of the following statements is true – A Null hypothesis states that 2 means are equal B Standard error of difference is the sum of the standard error of 2 means C Standard error of means are equal D Standard error of difference between populations calculated 💡 Explanation About test of significance between two large population, one of the following statements is true - ✓ Correct Answer: D. Standard error of difference between populations calculated