KCSE MATHEMATICS QUESTIONS AND ANSWERS ON STATISTICS II FORM 4 LEVEL
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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