Eric Nicholas K's answer to mint's Secondary 4 E Maths Singapore question.
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I doubt the frequency would be "3.5" for the 0 < x < 10 category. For 3b, there is a calculator method to do and a non-calculator method to do (the calculator is just an in-built function of the calculator to compute the mean and standard deviation using the same process as the manual method).
Date Posted:
5 years ago
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