Quantitative Techniques in Business

The first or lower quartile, Q1, is equal to the 25% percentile, P25. The second or mid-quartile, Q2, is equal to the 50% percentile, P50, which is also the median, M. The third or upper quartile, Q3, is equal to the 75% percentile, P75. We use these quartiles to help us … ................
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