Consider a population of 8 students. Suppose we know the test scores of the students to be 3 4 5 6 7 8 Student 1 2 Score 66 59 70 83 82 73 85 74 Find the mean yu and variance S2 of the population.

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Q: Frequency 24 20 16 12 T 8 4 0 70.5 15 75.5 Prealgebra Exam Scores 16 80.5 14 85.5 3 90.5 4 95.5 18

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