Unit 1 0.0 / 5 ? MathematicsStatistic and numberGCSEAQA Created by: Becky LangleyCreated on: 24-05-16 10:29 Mean Total of items / number of items 1 of 7 Median Middle value 2 of 7 Mode Most Common 3 of 7 Range How far the smallest is from the largest value 4 of 7 Golden rule for averages Always rearrange in ascending order 5 of 7 2 key points for Cumulative frequency. 1) Cumulative frequency just means adding up as you go along. 2) you have to add a thrid row to the table which is the running total of the 2nd row. 6 of 7 2 other key points for cumulative frequency. 1) when plotting the graph, always plot points using the highest value in each group with the value from row 3. 2) 7 of 7
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