Question

compare this Corona experimental study going on today to the more long-term and established “Ohsaki Green Tea Study” (assessing effects of green-tea consumption on “all-cause mortality” involving a sample size of n = 70 000. What statistical advantage does the Ohsaki study have over the “convalescent plasma” study for combating Corona? Write a sentence that reveals your statistical knowledge of sample size as a factor in comparing the two studies.

Answer 1

In the case of “Ohsaki Green Tea Study” (assessing effects of green-tea consumption on “all-cause mortality” , the very large sample size of n = 70 000 increases the reliability of the results and makes estimation of the population parameter very precise, having least Margin of Error of estimate. Increasing Sample Size gives us more power to detect differences. Thus, the statistical advantage does the Ohsaki study have over the “convalescent plasma” study for combating Corona is the greater power to detect differences., high reliability of the results and precise estimation of the population parameter .