Math  /  Data & Statistics

QuestionThe scores and their percents of the final grade for a statistics student are given. An error occurred grading the final exam. Instead of getting 87 , the student scored 98. What is the student's new weighted mean? \begin{tabular}{lccc} & Score & \begin{tabular}{c} Percent of \\ Final Grade \end{tabular} & \begin{tabular}{c} Weighted \\ Score \end{tabular} \\ Homework & 87 & 10 & 8.7 \\ Quiz & 78 & 25 & 19.5 \\ Project & 97 & 20 & 19.4 \\ Speech & 90 & 15 & 13.5 \\ Final Exam & 87 & 30 & 26.1 \\ & & Weighted Mean & 87.2 \end{tabular}
The student's new weighted mean score is \square (Do not round.)

Studdy Solution
Calculate the new weighted mean.
New Weighted Mean=90.51.00=90.5 \text{New Weighted Mean} = \frac{90.5}{1.00} = 90.5
The student's new weighted mean score is 90.590.5.

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