The distribution of the time it takes for different people to solve a certain crossword puzzle is strongly skewed to the right, with a mean of 30 minutes and a standard deviation of 15 minutes. the distribution of z-scores for those times is

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Mathematics

Ariella

10 November, 14:46

The distribution of the time it takes for different people to solve a certain crossword puzzle is strongly skewed to the right, with a mean of 30 minutes and a standard deviation of 15 minutes. the distribution of z-scores for those times is

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Davenport · Answer 1

Answer: Skewed to right with mean 0 and S. D. 1 Explanation: Let's assume the z-scores as a linear transformation. then z = (x-mean) / S. D. = (x-30) / 15 z (mean) = (30-30) / 15 = 0 z (sigma) = 15/15 = 1 Note: Shape does not change.