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2 Unit 2: Applied Mathematics A

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Question 50

The regression line for predicting height h h\,h cm from age a a\,a years for children aged 5 to 12 is h=6.1a+78h=6.1a+78h=6.1a+78.

a.

Estimate the height of a child aged 10.

[2]
b.

Interpret the gradient.

[1]
c.

Give two modelling concerns about using the line to predict the height of a 30-year-old adult.

[2]
Markscheme

2 Unit 2: Applied Mathematics A Questions

  1. A Level
  2. /Maths
  3. /2 Unit 2: Applied Mathematics A

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