alleryTen scores average 40; remove two averaging 25, add three averaging 50. New mean?
A44 6/11
B46 4/11
C45 5/11
D47 3/11
Answer & Solution
Correct answer: C. 45 5/11
The new total is 400 − 50 + 150 = 500 across 11 scores, giving 45 5/11.
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