Mathematics, 14.03.2022 14:00 angelinagiraffp538zb
The average Mathematics score of 200 students of a private school within valley is observed to be 70 with a. d 30 and the average Mathematics score of 300 students of a government school is observed to be 60 with sd 30. What are the combined average and standard deviation?
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The average Mathematics score of 200 students of a private school within valley is observed to be 70...
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