Labels:dialog box | sky | window OCR: The GCSE maths scores of 20 pupils using Headstart Mathematics are follows: %66 %6 97% 95% 83% 92% %06 92% 86% 91% 88% 91% 92% 88% 92% %88 81% 85% 97% 93% Group these using equal class interyals and put the 'esults in a Frequency table: intervals results
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