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OpenStudy (tanyatazf):
A biostatistician finds the relationship between the ACT score (x) and grade point average(GPA) (y) and is described by the following equation: exe10_Q5.JPG. This is based on a sample size of 120 students and the associated coefficient of correlation is, r = 0.269. Using this information answer the following question: What is the estimated mean GPA value for a student with an ACT score of 30?
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