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Problem 6
9.1 Z-Interval to Compare Two Population Means: Independent Samples
Business majors are the group of students with the lowest verbal reasoning scores on the GRE; Humanities majors have the highest verbal reasoning scores. A large sample confidence interval between verbal GRE scores for business majors and humanities majors was created. The result was as follows:-177 < μbus - μhum < -30.99. Is there a significant difference?
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