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KCSE MATHEMATICS QUESTIONS AND ANSWERS ON STATISTICS II FORM 4 LEVEL

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KCSE MATHEMATICS QUESTIONS AND ANSWERS ON STATISTICS II FORM 4 LEVEL: The table below represents the number of streams in 20 schools. Calculate: (a) the mean number of streams per school; (3 marks) (b) the variance; (5 marks) (c) the standard deviation correct to 2 decimal places. (2 marks)

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