Ans: Predictive Analytics Software / Statistical Package for the Social Sciences
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Ans: A mathematician and statistician that taught at Princeton. He lived from 1915 to 2000.
Ans: It is a method for easily determining Q1 and Q3: Q1 is the median of the bottom half of the sorted list; Q3 is the median of the top half of the sorted list. If the list has an odd number of items, the middle item is counted in both halves of the list.
95 | 8 90 | 0133 85 | 5 80 | 75 | 59 70 | 65 | 60 | 55 | 50 | 45 | 40 | 35 | 9 30 | 25 | 20 | 15 | 10 | 5 | 5 0 |The last digit of each observation is recorded to the right of the vertical line down the middle, which is the "stem."