Boy Mow Chau's answer to mel's Secondary 4 E Maths Singapore question.

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Boy Mow Chau
Boy Mow Chau's answer
317 answers (Tutor Details)
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Boy Mow Chau
Boy Mow Chau
4 years ago
for part (b), you can use the statistics function in your calculator and let the calculator automatically calculate the mean and s.d. for you.

… just for the practise, the manual calculation is shown here.
mel
Mel
4 years ago
thank you!