Multiple Choice
The mean grade of the 30 students in Section 1 is 80. The mean grade of the 40 students in Section 2 is 85. The mean grade of the 30 students in Section 3 is 80. What is the mean grade of all students from the three sections combined?
A) 80.00
B) 81.67
C) 82.00
D) 85.00
Correct Answer:
Verified
Correct Answer:
Verified
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