Mathematics, 29.08.2019 20:20 alex0123

Question 18(multiple choice worth 1 points) (01.01) period 1 has 15 students in it and a test average of 86%. period 2 has 21 students in it and an average of 88%. period 3 has 12 students in it and an average of 95%. use weighted means to find the overall average of the classes.

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Question 18(multiple choice worth 1 points) (01.01) period 1 has 15 students in it and a test averag...

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