A lot of people argue that it’s a reflection of southern pride and heritage and others think of it as a sign of racism
A) <span>In a presidential democracy, the president is elected by representatives from each region while in a parliamentary everyone votes</span>
Answer:
Meta-analysis
Explanation:
Meta-analysis is a survey in which the result of the studies are included in the review are statistically similar and combined and analyzed if the study is the same. It is a set of technologies that are used with several the research report to make a single and more precise estimate of the efforts of a study. The main aim of the meta-analysis is to increase the statistical power to deal with the controversy with when the subject study disagrees, to improve estimate size of effects and to try to answer the new question that is not posted previously in the study. But there should be a valid reason for combined the studies. there are several advantages of meta-analysis:
It allows investigators to pool data from many small trials and allow themselves for the secure conclusion.
