Statistical Analysis: Mean and Dispersion of Mathematics Marks
Statistical Analysis: Mean and Dispersion of Mathematics Marks
Secondary 4
The Mathematics marks of \(6\) girls are given as follows: \(42, 32, 41, 26, 39, 33\).
Find
- the mean,
- the standard deviation, correct to \(3\) significant figures.
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Answer:(a) 35.5. (b) 5.68 (3 s.f.).
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