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2 Unit 2: Applied Mathematics A

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Question 102

The times t t\,t minutes taken by 60 runners are grouped below.

t20≤t<2525≤t<3030≤t<4040≤t<55frequency8152215\begin{array}{c|cccc}t&20\leq t<25&25\leq t<30&30\leq t<40&40\leq t<55\\\hline\text{frequency}&8&15&22&15\end{array}tfrequency​20≤t<258​25≤t<3015​30≤t<4022​40≤t<5515​​

a.

Calculate the frequency density for each class.

[4]
b.

State the width and height of the tallest bar in the corresponding histogram.

[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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