Frac F5n3+h=g Answer: F= Submit Answer - Gauthmath

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Math Resources/Statistics/

Question

The times it took a random sample of runners to complete a race arrised in the table. a Use interpolation to estimate the interquartile range. The midpoint of each class was represented by x and its corresponding frequency by ∫ giving: sumlimits fx=3740 fx^2=183040 b Estimate the variance and standard deviation for this data. (4 marks)SHOW LESS115

Solution

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