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NSW HSC Maths - Standard 1

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Line of Best Fit

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Topics covered

  • Q 1 Past HSC Questions- By Topic - Line of Best Fit

  • Q 2 Past HSC Questions- By Topic - Line of Best Fit

  • Q 3 Past HSC Questions- By Topic - Line of Best Fit

  • Q 4 Past HSC Questions- By Topic - Line of Best Fit

Question 1
HSC 2016 - Question 29d (External Link) Show Question
Answer

(i) \(0.907\)

(ii) \(1.38x-29.77\)

Worked Solution

\(\textbf{29 d i)}\)

$$\text{by calculator } r=0.907 \quad (3dp)$$

\(\textbf{29 d ii)}\)

\begin{aligned}m &=0.907 \times \frac{13.73}{9.05} \\&=1.38 \\c &=66-1.38 \times 69.4 \\&=-29.77 \\y &=1.38 x-29.77\end{aligned}

Question 2
HSC 2019 - Question 23 (External Link) Show Question
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Question 3
HSC 2018 - Question 29d (External Link) Show Question
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Question 4
HSC 2017 - Question 30d (External Link) Show Question
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