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2 Statistics

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Question 88

A student draws a histogram for two classes, 0≤x<5 0\leq x<5\,0≤x<5 with frequency 20 and 5≤x<15 5\leq x<15\,5≤x<15 with frequency 30. The student uses bar heights 20 and 30.

a.

Explain why these heights give a misleading histogram.

[1]
b.

Calculate the two correct frequency densities.

[2]
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2 Statistics Questions

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

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