In this article, we propose approximate sample size formulas for establishing equivalence or noninferiority of two treatments in match-pairs design. Using the ratio of two proportions as the ...

An investigator wishes to compare two independent proportions, based on perhaps unequal sample sizes, by means of the chi squared test with the Yates' correction. A simple approximation is given to ...

The banking team of jagranjosh.com has come up with concept and sample questions for Ratio and Proportion. The concept provided by us will help you to understand the topic. The sample questions ...