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2. The number of disk I/Os performed by a number of programs were measured as follows: [23, 33, 14, 15, 42, 28, 33, 45, 23, 34, 39, 21, 36, 23, 34, 36, 25, 9, 11, 19, 35, 24, 31, 29, 16, 23, 34, 24, 38, 15, 13, 35, 28). 1) Which index of central tendency would you choose to describe the data set and I why? 2) Compute indices of dispersion of the data set: range, variance, 10-to-90 percentile, semi inter-quantile range (SIQR), and mean absolution deviation. 3) Which index of dispersion would you choose to describe the data set and why