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Regression, Correlation and Hypothesis Testing

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Question 68

Two variables x x\,x and y y\,y are related by the formula y=axb\displaystyle y = \frac{a}{x^b}y=xba​ where a a\,a and b b\,b are constants.

Show that this relationship can be written in the form log⁡y=log⁡a−blog⁡x\log y = \log a - b \log xlogy=loga−blogx

[3]
Markscheme

Regression, Correlation and Hypothesis Testing Questions

  1. A Level
  2. /Maths
  3. /Regression, Correlation and Hypothesis Testing

340 exam-style questions on Edexcel A Level Maths Regression, Correlation and Hypothesis Testing, covering 1.1 Exponential Models, 1.2 Measuring Correlation, and 1.3 Hypothesis Testing for Zero Correlation. Each one has a worked solution and a mark scheme showing where the marks go.

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