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# Relative Frequency

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by

## Mr Mattock

on 10 May 2016

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#### Transcript of Relative Frequency

Relative Frequency
Starter
Fractions or Decimals?
Relative Frequency
L.O. - To find relative frequency, understand it as an estimate of probability, and use it to judge fairness.
Why does one question use fractions and the
other question use decimals?
Main Activity
Complete the Red, Amber, Green
Activity sheet.
Red
1) i) 0.25 (ii) 0.2 (iii) 0.125 (iv) 0.625

2) i) 0.22 (ii) 0.24 (iii) 0.3 (iv) 0.8

Amber
4) (i) 0.075 (ii) 0.175 (iii) 0.75

5) (i) 0.1 (ii) 0.06 (iii) 0.83

Green
6) i) 0.13 (ii) 0.43 (iii) 0.7
7) (a) i) 0.22 (ii) 0.1 (b) 0.68
Starter
5/9

0.25
Relative Frequency
(a) 72
(b) (i) 8/72 = 0.1111... (ii) 6/72 = 0.08333... (iii) 12/72 = 0.16666...
(iv) 42/72 = 0.5833333... (v) 4/72 = 0.0555555....
Activities
Activity