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Wilson Wang
02/07/2024 · Junior High School

17. A student receives test scores of 58,95 , and 84 . The student's final exam score is 77 and homework score is 70 . Each test is worth \( 20 \% \) of the final grade, the final exam is \( 25 \% \) of the final grade and the home- work grade is \( 15 \% \) of the final grade. a) What is the student's mean score in the class BE- FORE the final exam? b) What is the student's mean score in the class AF- TER the final exam? c) Calculate the normal non-weighted average of the 5 grades and compare to the weighted average in part b.

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a) Mean score before the final exam: 79 b) Mean score after the final exam: 77.15 c) Normal non-weighted average: 76.8 Weighted average is higher than non-weighted average.

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