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14. [-11 Points] DETAILS AUFEXC4 13.1.502.XP. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A professor grades students on three tests' four quizzes, and a final examination. Each test counts as two quizzes and the final examination counts as two tests. Sara has test scores of 76, BI, and 66. Sara's quiz scores are 75, 93, 60, and 78. Her nal examination score is 75. Use the weighted mean formula to find Sara's average For the _c0urse (Round our answer to one decimal place.) Additional Materials III Tech Guide: Excel III Tech Guide: was!\" III Tech Guide: TI-Nspire Submit