On a test, the marks for ten students are: 2 students, 95%; 4 students, 88%; 3 students, 70%; and 1 student, 81%. What is the average mark on the test?
A. 80.3
B. 81.9
C. 82.1
D. 83.3
Answer: D
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Answer the following statement true (T) or false (F)
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Fill in the blank(s) with the appropriate word(s).
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