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  • Q 1 Past HSC Questions- By Topic - Z Scores

  • Q 2 Past HSC Questions- By Topic - Z Scores

  • Q 3 Past HSC Questions- By Topic - Z Scores

  • Q 4 Past HSC Questions- By Topic - Z Scores

Question 1
HSC 2017 - Question 13 (External Link) Show Question
Answer

\(−2\)

Worked Solution

\begin{aligned}\bar{X} &=165,\, X=154,\, \sigma=5.5 \\& Z=\frac{X-\bar{X}}{\sigma}=\frac{154-165}{5.5}=-2 \quad \therefore A\end{aligned}

Question 2
HSC 2019 - Question 38 (External Link) Show Question
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Question 3
HSC 2018 - Question 27e (External Link) Show Question
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Question 4
HSC 2016 - Question 30d (External Link) Show Question
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