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Produced by MEI on behalf of OCR © OCR 2013 Relative Frequency © OCR 2014

Produced by MEI on behalf of OCR © OCR 2013 Murphy’s Law Says that if you drop a piece of toast it is more likely to land butter side down. How could you test this? © OCR 2014

Produced by MEI on behalf of OCR © OCR 2013 Relative frequency © OCR 2014

Produced by MEI on behalf of OCR © OCR 2013 Example 1 © OCR 2014

Produced by MEI on behalf of OCR © OCR 2013 Example 2 © OCR 2014

Produced by MEI on behalf of OCR © OCR 2013 The survival rate for breast cancer is quoted at 78%. (surviving 10 years or more) What does this mean? © OCR 2014