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2.2.2 Area in a histogram is proportional to frequency

2.2.2 Area in a histogram is proportional to frequency

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Question 3

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

2.2.2 Area in a histogram is proportional to frequency Questions

  1. A Level
  2. /Maths
  3. /2.2.2 Area in a histogram is proportional to frequency

8 exam-style questions on OCR (MEI) A Level Maths 2.2.2 Area in a histogram is proportional to frequency. Each one has a worked solution and a mark scheme showing where the marks go.

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