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Why does Casio Fx-82es calculator calculate variance error and average value according to online algorithm?
Hello, classmates! I am the tutor of IB math and alevel math. I think you misunderstood. 1.2 is the standard deviation. The variance should be the square of the standard variance. Generally speaking, sx generated by computer means standard deviation. Welcome to discuss all kinds of problems in the process of mathematics learning.
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