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2 Statistics

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Question 159

The grouped frequencies are 5, 11, 18 and 6 for the classes 0≤x<100\leq x<100≤x<10, 10≤x<2010\leq x<2010≤x<20, 20≤x<30 20\leq x<30\,20≤x<30 and 30≤x<5030\leq x<5030≤x<50.

a.

Identify the median class.

[1]
b.

Use linear interpolation to estimate the median.

[2]
Markscheme

2 Statistics Questions

  1. A Level
  2. /Maths
  3. /2 Statistics

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