ABP elearning.utdallas.edu st: Exam 2 - STAT 3360.002 - Pro... Course Hero https://elearning.utdallas.edu/bbcsw Problem 3 [15 points = 5 + 5 + 5] Admission Office team intended to analyze final exam scores for applicants to graduate program. They believe that individual GPA values are normal with the POPULATION SD = = 12. The sample of n = 16 randomly selected students was processed and led to the Sample summaries Mean = X -77.7 and SD = s =12.8 1. Estimate population average with confidence C = 0,,95 2. At the significance level, a - 0.01, do you have evidence that the POPULATION MEAN is below 84? 3. At the significance level, a = 0.05, do you have evidence that the POPULATION MEAN is above 72? Solution