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...8th grade 1 936,000 9th to 12th grade 2 1,099,000 Some college 3 1,371,000 Associate’s degree 4 1,632,000 Associate’s degree 5 1,813,000 Bachelor’s degree 6 2,422,000 Master’s degree 7 2,834,000 Professional degree 8... ?Correlation Correlation is one of the most common and important statistical analysis used today. A correlation is a single value that defines the extent of linear relationship between any two variables (Cohen et al. 8). For instance, we might be interested in assessing whether the number of hours students spend watching television is related to their performance in school. In such a case, we will interview a few students selected randomly from the student population regarding their...