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Mean of Grouped Data

Mean of Grouped Data. OCR Stage 6. Total Number of Children. Total Number of Houses. Mean of Discrete data. Mean = 49 ÷ 25 = 1.96 children per house. 0 x 6 = 0. 1 x 4 = 4. 2 x 5 = 10. 3 x 7 = 21. 4 x 1 = 4. 5 x 2 = 10. 25. 49. Total number of people. Total of their Heights.

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Mean of Grouped Data

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  1. Mean of Grouped Data OCR Stage 6

  2. Total Number of Children Total Number of Houses Mean of Discrete data Mean = 49 ÷ 25 = 1.96 children per house 0 x 6 = 0 1 x 4 = 4 2 x 5 = 10 3 x 7 = 21 4 x 1 = 4 5 x 2 = 10 25 49

  3. Total number of people Total of their Heights Mean of Continuous data Mean = 11 132.5 ÷ 65 = 171.3cm Height of the AVERAGE person 157.5 157.5 x 2 = 315 162.5 162.5 x 6 = 975 167.5 167.5 x 18 = 3015 172.5 172.5 x 25 = 4312.5 177.5 177.5 x 9 = 1597.5 182.5 182.5 x 4 = 730 187.5 187.5 x 1 = 187.5 65 11132.5

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