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Determine the true mean gpa of students

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The GPAs for a random sample of 30 students at a large university are recorded. These 30 students have a mean GPA of 2.92. GPAs of students at the university are known to follow a normal distribution with standard deviation 0.55. Conduct a hypothesis test at the 5% level of significance to determine whether the true mean GPA of students at the university differs from 3.1. Show all your steps

Reference no: EM133080671

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