Question: c. Find the sample variance. (5) 12. A students grade is computed with weighted averages of 10% for the homework average, 10% for the quiz

c. Find the sample variance. (5) 12. A students grade is computed with weighted averages of 10% for the homework average, 10% for the quiz average, 60% for the test average, and 20% for the final. If they had 100% for their homework average, 78% for their quiz average, 92% for their test average, and 83% on the final, compute their overall grade. (7)

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