<em>As per the question, if the given conclusion were incorrect then the error that the researcher has made was rejecting the null hypothesis as it states that there is a difference in characteristics of a mentioned population.</em>
<em>In statistics, the null hypothesis is described as one of the distinct types of hypotheses that is being used in statistics and states that is majorly no difference between the characteristics of a mentioned population or any process that involves data gathering or generating</em>
Hughes's poem uses Whitman's idea that all Americans are individuals and important parts of this country. He wants to add to Whitman's poem so that it includes the experience of African Americans. Hughes says African Americans are important and have a culture that should be celebrated. Everyone has their own song to sing, and all Americans are part of this country.
