Which of the following statements are true? I. In a data-set that is symmetric, the mean is approximately equal to the median. II. In a data-set that is right-skewed, the mean will be larger than the median. II. Skew of a data set has a negligible effect on the mean, but can strongly affect the median. O lonly O I l only None of the Above O Illonly O land Il only

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A: topic - functions and inverse functions

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