The GPA distribution of the 30 students in this subject is given below. X = 0, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0 # of students = 24 6 2 7 5 3 1 1. What is the expected value of X? 2. Choose the closest the number to the standard deviation of X?

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The GPA distribution of the 30 students in this subject is given below. X = 0, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0 # of students = 24 6 2 7 5 3 1 1. What is the expected value of X? 2. Choose the closest the number to the standard deviation of X?
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