7) A student earned grades of 84, 78, 84, and 72 on her four regular tests. She earned a grade of 78 on the final exam and 86 on her class projects. Her combined homework grade was 87. The four regular tests count for 40% of the course grade, the final exam counts for 30%, the roject counts for 10%, and homework counts for 20%. What is her weighted mean grade? Round to one decimal place. 7) A) 81.3 B) 80.2 C) 81.2 D) 82.1
7) A student earned grades of 84, 78, 84, and 72 on her four regular tests. She earned a grade of 78 on the final exam and 86 on her class projects. Her combined homework grade was 87. The four regular tests count for 40% of the course grade, the final exam counts for 30%, the roject counts for 10%, and homework counts for 20%. What is her weighted mean grade? Round to one decimal place. 7) A) 81.3 B) 80.2 C) 81.2 D) 82.1
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1GP
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